/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.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:17:01,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:17:01,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:17:01,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:17:01,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:17:01,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:17:01,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:17:01,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:17:01,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:17:01,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:17:01,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:17:01,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:17:01,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:17:01,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:17:01,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:17:01,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:17:01,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:17:01,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:17:01,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:17:01,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:17:01,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:17:01,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:17:01,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:17:01,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:17:01,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:17:01,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:17:01,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:17:01,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:17:01,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:17:01,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:17:01,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:17:01,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:17:01,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:17:01,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:17:01,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:17:01,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:17:01,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:17:01,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:17:01,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:17:01,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:17:01,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:17:01,445 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.epf [2020-04-18 07:17:01,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:17:01,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:17:01,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:17:01,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:17:01,470 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:17:01,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:17:01,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:17:01,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:17:01,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:17:01,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:17:01,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:17:01,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:17:01,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:17:01,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:17:01,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:17:01,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:17:01,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:17:01,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:17:01,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:17:01,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:17:01,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:17:01,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:17:01,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:17:01,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:17:01,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:17:01,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:17:01,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:17:01,476 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:17:01,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:17:01,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:17:01,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:17:01,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:17:01,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:17:01,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:17:01,791 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:17:01,791 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-04-18 07:17:01,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85f89bf7/f9a77d462fa54c41a3179b252d382e93/FLAGa4ef09b7a [2020-04-18 07:17:02,581 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:17:02,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-04-18 07:17:02,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85f89bf7/f9a77d462fa54c41a3179b252d382e93/FLAGa4ef09b7a [2020-04-18 07:17:02,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85f89bf7/f9a77d462fa54c41a3179b252d382e93 [2020-04-18 07:17:02,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:17:02,772 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:17:02,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:17:02,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:17:02,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:17:02,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:17:02" (1/1) ... [2020-04-18 07:17:02,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab2ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:02, skipping insertion in model container [2020-04-18 07:17:02,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:17:02" (1/1) ... [2020-04-18 07:17:02,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:17:02,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:17:03,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:17:03,718 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:17:03,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:17:04,186 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:17:04,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04 WrapperNode [2020-04-18 07:17:04,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:17:04,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:17:04,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:17:04,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:17:04,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:17:04,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:17:04,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:17:04,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:17:04,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (1/1) ... [2020-04-18 07:17:04,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:17:04,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:17:04,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:17:04,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:17:04,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (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 07:17:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:17:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:17:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 07:17:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 07:17:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:17:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:17:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 07:17:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 07:17:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:17:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:17:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 07:17:04,454 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 07:17:05,318 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:17:05,319 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 07:17:05,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:17:05 BoogieIcfgContainer [2020-04-18 07:17:05,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:17:05,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:17:05,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:17:05,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:17:05,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:17:02" (1/3) ... [2020-04-18 07:17:05,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1b05b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:17:05, skipping insertion in model container [2020-04-18 07:17:05,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:17:04" (2/3) ... [2020-04-18 07:17:05,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1b05b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:17:05, skipping insertion in model container [2020-04-18 07:17:05,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:17:05" (3/3) ... [2020-04-18 07:17:05,334 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-04-18 07:17:05,345 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:17:05,345 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:17:05,353 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 07:17:05,354 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:17:05,387 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,388 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,388 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,388 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,389 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,390 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,390 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,390 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,390 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,390 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,391 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,391 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,391 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,392 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,392 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,392 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,392 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,394 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,394 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,395 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,396 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,396 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,396 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,397 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,398 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,398 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,398 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,398 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,401 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,402 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,403 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,403 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,404 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,404 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,404 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,405 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,405 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,409 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,410 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,410 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,410 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,410 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,411 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,411 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,411 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,411 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,411 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,412 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,412 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,420 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,420 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,421 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,421 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,421 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,422 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,422 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,422 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,422 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,423 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,423 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,423 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:05,455 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 07:17:05,472 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:17:05,472 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:17:05,472 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:17:05,472 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:17:05,473 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:17:05,473 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:17:05,473 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:17:05,473 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:17:05,491 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 07:17:05,895 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9149 states. [2020-04-18 07:17:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 9149 states. [2020-04-18 07:17:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 07:17:05,934 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:05,944 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 07:17:05,944 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 07:17:05,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash 285255635, now seen corresponding path program 1 times [2020-04-18 07:17:05,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:05,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863879117] [2020-04-18 07:17:05,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:06,570 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 07:17:06,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863879117] [2020-04-18 07:17:06,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:06,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:06,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924621768] [2020-04-18 07:17:06,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:06,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:06,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:06,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:06,597 INFO L87 Difference]: Start difference. First operand 9149 states. Second operand 6 states. [2020-04-18 07:17:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:07,685 INFO L93 Difference]: Finished difference Result 12892 states and 35647 transitions. [2020-04-18 07:17:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 07:17:07,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 07:17:07,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:07,808 INFO L225 Difference]: With dead ends: 12892 [2020-04-18 07:17:07,808 INFO L226 Difference]: Without dead ends: 10817 [2020-04-18 07:17:07,811 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-04-18 07:17:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10817 states. [2020-04-18 07:17:08,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10817 to 8397. [2020-04-18 07:17:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8397 states. [2020-04-18 07:17:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 22956 transitions. [2020-04-18 07:17:08,342 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 22956 transitions. Word has length 44 [2020-04-18 07:17:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:08,342 INFO L479 AbstractCegarLoop]: Abstraction has 8397 states and 22956 transitions. [2020-04-18 07:17:08,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 22956 transitions. [2020-04-18 07:17:08,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 07:17:08,347 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:08,347 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 07:17:08,348 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 07:17:08,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash -715758526, now seen corresponding path program 1 times [2020-04-18 07:17:08,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:08,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264357970] [2020-04-18 07:17:08,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:08,501 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 07:17:08,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264357970] [2020-04-18 07:17:08,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:08,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:08,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19463556] [2020-04-18 07:17:08,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:08,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:08,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:08,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:08,505 INFO L87 Difference]: Start difference. First operand 8397 states and 22956 transitions. Second operand 6 states. [2020-04-18 07:17:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:09,352 INFO L93 Difference]: Finished difference Result 11653 states and 31766 transitions. [2020-04-18 07:17:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 07:17:09,353 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 07:17:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:09,439 INFO L225 Difference]: With dead ends: 11653 [2020-04-18 07:17:09,439 INFO L226 Difference]: Without dead ends: 9859 [2020-04-18 07:17:09,441 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-04-18 07:17:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9859 states. [2020-04-18 07:17:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9859 to 9537. [2020-04-18 07:17:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9537 states. [2020-04-18 07:17:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9537 states to 9537 states and 26144 transitions. [2020-04-18 07:17:09,862 INFO L78 Accepts]: Start accepts. Automaton has 9537 states and 26144 transitions. Word has length 50 [2020-04-18 07:17:09,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:09,863 INFO L479 AbstractCegarLoop]: Abstraction has 9537 states and 26144 transitions. [2020-04-18 07:17:09,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9537 states and 26144 transitions. [2020-04-18 07:17:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 07:17:09,873 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:09,874 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, 1, 1, 1, 1, 1, 1] [2020-04-18 07:17:09,874 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 07:17:09,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:09,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1034646044, now seen corresponding path program 1 times [2020-04-18 07:17:09,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:09,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401464950] [2020-04-18 07:17:09,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:10,033 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 07:17:10,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401464950] [2020-04-18 07:17:10,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:10,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 07:17:10,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933747062] [2020-04-18 07:17:10,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 07:17:10,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:10,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 07:17:10,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 07:17:10,036 INFO L87 Difference]: Start difference. First operand 9537 states and 26144 transitions. Second operand 5 states. [2020-04-18 07:17:10,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:10,134 INFO L93 Difference]: Finished difference Result 3712 states and 9634 transitions. [2020-04-18 07:17:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 07:17:10,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-04-18 07:17:10,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:10,146 INFO L225 Difference]: With dead ends: 3712 [2020-04-18 07:17:10,147 INFO L226 Difference]: Without dead ends: 3712 [2020-04-18 07:17:10,147 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-04-18 07:17:10,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2020-04-18 07:17:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3712. [2020-04-18 07:17:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3712 states. [2020-04-18 07:17:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3712 states and 9634 transitions. [2020-04-18 07:17:10,267 INFO L78 Accepts]: Start accepts. Automaton has 3712 states and 9634 transitions. Word has length 58 [2020-04-18 07:17:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:10,268 INFO L479 AbstractCegarLoop]: Abstraction has 3712 states and 9634 transitions. [2020-04-18 07:17:10,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 07:17:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 9634 transitions. [2020-04-18 07:17:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-04-18 07:17:10,280 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:10,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:17:10,281 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 07:17:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:10,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1274627888, now seen corresponding path program 1 times [2020-04-18 07:17:10,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:10,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199422709] [2020-04-18 07:17:10,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:10,530 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 07:17:10,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199422709] [2020-04-18 07:17:10,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:10,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:10,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485992908] [2020-04-18 07:17:10,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:10,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:10,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:10,533 INFO L87 Difference]: Start difference. First operand 3712 states and 9634 transitions. Second operand 6 states. [2020-04-18 07:17:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:11,250 INFO L93 Difference]: Finished difference Result 4017 states and 10183 transitions. [2020-04-18 07:17:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:17:11,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-04-18 07:17:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:11,262 INFO L225 Difference]: With dead ends: 4017 [2020-04-18 07:17:11,263 INFO L226 Difference]: Without dead ends: 4017 [2020-04-18 07:17:11,264 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 1 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 07:17:11,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2020-04-18 07:17:11,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3764. [2020-04-18 07:17:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3764 states. [2020-04-18 07:17:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 9726 transitions. [2020-04-18 07:17:11,379 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 9726 transitions. Word has length 73 [2020-04-18 07:17:11,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:11,380 INFO L479 AbstractCegarLoop]: Abstraction has 3764 states and 9726 transitions. [2020-04-18 07:17:11,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 9726 transitions. [2020-04-18 07:17:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-04-18 07:17:11,389 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:11,389 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, 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 07:17:11,390 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 07:17:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash -773067067, now seen corresponding path program 1 times [2020-04-18 07:17:11,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:11,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640772461] [2020-04-18 07:17:11,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:11,544 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 07:17:11,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640772461] [2020-04-18 07:17:11,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:11,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:11,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806236886] [2020-04-18 07:17:11,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:11,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:11,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:11,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:11,547 INFO L87 Difference]: Start difference. First operand 3764 states and 9726 transitions. Second operand 6 states. [2020-04-18 07:17:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:12,163 INFO L93 Difference]: Finished difference Result 4118 states and 10348 transitions. [2020-04-18 07:17:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:17:12,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-04-18 07:17:12,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:12,174 INFO L225 Difference]: With dead ends: 4118 [2020-04-18 07:17:12,174 INFO L226 Difference]: Without dead ends: 4118 [2020-04-18 07:17:12,174 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 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 07:17:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2020-04-18 07:17:12,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 3942. [2020-04-18 07:17:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3942 states. [2020-04-18 07:17:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 10066 transitions. [2020-04-18 07:17:12,285 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 10066 transitions. Word has length 79 [2020-04-18 07:17:12,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:12,285 INFO L479 AbstractCegarLoop]: Abstraction has 3942 states and 10066 transitions. [2020-04-18 07:17:12,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 10066 transitions. [2020-04-18 07:17:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 07:17:12,296 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:12,296 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, 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 07:17:12,297 INFO L427 AbstractCegarLoop]: === Iteration 6 === [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 07:17:12,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2121022428, now seen corresponding path program 1 times [2020-04-18 07:17:12,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:12,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720539738] [2020-04-18 07:17:12,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:13,554 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 07:17:13,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720539738] [2020-04-18 07:17:13,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:13,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-04-18 07:17:13,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078945235] [2020-04-18 07:17:13,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-04-18 07:17:13,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:13,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 07:17:13,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-04-18 07:17:13,558 INFO L87 Difference]: Start difference. First operand 3942 states and 10066 transitions. Second operand 17 states. [2020-04-18 07:17:14,539 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-04-18 07:17:15,379 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-04-18 07:17:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:16,003 INFO L93 Difference]: Finished difference Result 3890 states and 9950 transitions. [2020-04-18 07:17:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-04-18 07:17:16,004 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 81 [2020-04-18 07:17:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:16,014 INFO L225 Difference]: With dead ends: 3890 [2020-04-18 07:17:16,014 INFO L226 Difference]: Without dead ends: 3890 [2020-04-18 07:17:16,015 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=356, Invalid=766, Unknown=0, NotChecked=0, Total=1122 [2020-04-18 07:17:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2020-04-18 07:17:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3845. [2020-04-18 07:17:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3845 states. [2020-04-18 07:17:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 9863 transitions. [2020-04-18 07:17:16,110 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 9863 transitions. Word has length 81 [2020-04-18 07:17:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:16,110 INFO L479 AbstractCegarLoop]: Abstraction has 3845 states and 9863 transitions. [2020-04-18 07:17:16,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-04-18 07:17:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 9863 transitions. [2020-04-18 07:17:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 07:17:16,122 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:16,122 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, 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 07:17:16,122 INFO L427 AbstractCegarLoop]: === Iteration 7 === [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 07:17:16,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:16,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1830395389, now seen corresponding path program 1 times [2020-04-18 07:17:16,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:16,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450258226] [2020-04-18 07:17:16,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:17,294 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 19 [2020-04-18 07:17:17,332 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 07:17:17,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450258226] [2020-04-18 07:17:17,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:17,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-04-18 07:17:17,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451060543] [2020-04-18 07:17:17,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-04-18 07:17:17,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:17,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-04-18 07:17:17,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2020-04-18 07:17:17,334 INFO L87 Difference]: Start difference. First operand 3845 states and 9863 transitions. Second operand 18 states. [2020-04-18 07:17:17,970 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-04-18 07:17:18,202 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-04-18 07:17:18,426 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-04-18 07:17:18,676 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-04-18 07:17:18,970 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-04-18 07:17:19,297 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-04-18 07:17:19,612 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-04-18 07:17:20,059 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-04-18 07:17:20,485 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-04-18 07:17:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:20,861 INFO L93 Difference]: Finished difference Result 10222 states and 25858 transitions. [2020-04-18 07:17:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-04-18 07:17:20,861 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 81 [2020-04-18 07:17:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:20,885 INFO L225 Difference]: With dead ends: 10222 [2020-04-18 07:17:20,885 INFO L226 Difference]: Without dead ends: 10222 [2020-04-18 07:17:20,886 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2020-04-18 07:17:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10222 states. [2020-04-18 07:17:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10222 to 4287. [2020-04-18 07:17:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4287 states. [2020-04-18 07:17:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 4287 states and 11077 transitions. [2020-04-18 07:17:21,077 INFO L78 Accepts]: Start accepts. Automaton has 4287 states and 11077 transitions. Word has length 81 [2020-04-18 07:17:21,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:21,078 INFO L479 AbstractCegarLoop]: Abstraction has 4287 states and 11077 transitions. [2020-04-18 07:17:21,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-04-18 07:17:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 11077 transitions. [2020-04-18 07:17:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-04-18 07:17:21,093 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:21,094 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, 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 07:17:21,094 INFO L427 AbstractCegarLoop]: === Iteration 8 === [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 07:17:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:21,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1612354563, now seen corresponding path program 2 times [2020-04-18 07:17:21,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:21,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896508076] [2020-04-18 07:17:21,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:17:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:17:21,279 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:17:21,280 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:17:21,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:17:21 BasicIcfg [2020-04-18 07:17:21,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:17:21,399 INFO L168 Benchmark]: Toolchain (without parser) took 18649.22 ms. Allocated memory was 138.9 MB in the beginning and 566.2 MB in the end (delta: 427.3 MB). Free memory was 98.7 MB in the beginning and 366.9 MB in the end (delta: -268.2 MB). Peak memory consumption was 159.1 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,400 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 07:17:21,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1414.52 ms. Allocated memory was 138.9 MB in the beginning and 238.0 MB in the end (delta: 99.1 MB). Free memory was 96.8 MB in the beginning and 170.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.57 ms. Allocated memory is still 238.0 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,402 INFO L168 Benchmark]: Boogie Preprocessor took 93.91 ms. Allocated memory is still 238.0 MB. Free memory was 166.5 MB in the beginning and 163.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,403 INFO L168 Benchmark]: RCFGBuilder took 964.64 ms. Allocated memory is still 238.0 MB. Free memory was 163.5 MB in the beginning and 115.2 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,404 INFO L168 Benchmark]: TraceAbstraction took 16071.25 ms. Allocated memory was 238.0 MB in the beginning and 566.2 MB in the end (delta: 328.2 MB). Free memory was 115.2 MB in the beginning and 366.9 MB in the end (delta: -251.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:21,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1414.52 ms. Allocated memory was 138.9 MB in the beginning and 238.0 MB in the end (delta: 99.1 MB). Free memory was 96.8 MB in the beginning and 170.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.57 ms. Allocated memory is still 238.0 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.91 ms. Allocated memory is still 238.0 MB. Free memory was 166.5 MB in the beginning and 163.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 964.64 ms. Allocated memory is still 238.0 MB. Free memory was 163.5 MB in the beginning and 115.2 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16071.25 ms. Allocated memory was 238.0 MB in the beginning and 566.2 MB in the end (delta: 328.2 MB). Free memory was 115.2 MB in the beginning and 366.9 MB in the end (delta: -251.7 MB). Peak memory consumption was 76.5 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={7:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, dev={7:24}, 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={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1742] COND TRUE 0 probe_ret==0 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 \read(t1) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] EXPR 1 data->shared.b VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1724] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1725] 0 data->shared.a VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, 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: 15.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 1694 SDtfs, 3860 SDslu, 6413 SDs, 0 SdLazy, 1794 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 34 SyntacticMatches, 7 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9537occurred 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: 1.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 9151 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 156559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...