/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_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:16:56,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:16:56,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:16:56,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:16:56,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:16:56,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:16:56,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:16:56,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:16:56,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:16:56,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:16:56,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:16:56,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:16:56,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:16:56,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:16:56,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:16:56,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:16:56,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:16:56,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:16:56,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:16:56,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:16:56,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:16:56,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:16:56,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:16:56,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:16:56,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:16:56,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:16:56,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:16:56,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:16:56,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:16:56,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:16:56,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:16:56,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:16:56,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:16:56,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:16:56,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:16:56,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:16:56,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:16:56,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:16:56,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:16:56,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:16:56,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:16:56,312 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 07:16:56,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:16:56,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:16:56,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:16:56,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:16:56,328 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:16:56,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:16:56,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:16:56,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:16:56,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:16:56,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:16:56,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:16:56,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:16:56,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:16:56,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:16:56,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:16:56,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:16:56,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:16:56,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:16:56,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:16:56,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:16:56,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:16:56,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:16:56,333 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:16:56,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:16:56,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:16:56,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:16:56,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:16:56,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:16:56,645 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:16:56,645 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:16:56,646 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-04-18 07:16:56,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafab2f79/db0701931e314b10842be1b078a7988e/FLAGc22f980b3 [2020-04-18 07:16:57,374 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:16:57,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-04-18 07:16:57,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafab2f79/db0701931e314b10842be1b078a7988e/FLAGc22f980b3 [2020-04-18 07:16:57,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafab2f79/db0701931e314b10842be1b078a7988e [2020-04-18 07:16:57,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:16:57,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:16:57,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:16:57,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:16:57,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:16:57,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:16:57" (1/1) ... [2020-04-18 07:16:57,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6931a5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:57, skipping insertion in model container [2020-04-18 07:16:57,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:16:57" (1/1) ... [2020-04-18 07:16:57,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:16:57,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:16:58,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:16:58,442 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:16:58,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:16:59,069 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:16:59,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59 WrapperNode [2020-04-18 07:16:59,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:16:59,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:16:59,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:16:59,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:16:59,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:16:59,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:16:59,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:16:59,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:16:59,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (1/1) ... [2020-04-18 07:16:59,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:16:59,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:16:59,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:16:59,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:16:59,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (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 07:16:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:16:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:16:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 07:16:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 07:16:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:16:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:16:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 07:16:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 07:16:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:16:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:16:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 07:16:59,420 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 07:17:00,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:17:00,326 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 07:17:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:17:00 BoogieIcfgContainer [2020-04-18 07:17:00,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:17:00,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:17:00,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:17:00,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:17:00,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:16:57" (1/3) ... [2020-04-18 07:17:00,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c605a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:17:00, skipping insertion in model container [2020-04-18 07:17:00,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:59" (2/3) ... [2020-04-18 07:17:00,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c605a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:17:00, skipping insertion in model container [2020-04-18 07:17:00,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:17:00" (3/3) ... [2020-04-18 07:17:00,340 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-04-18 07:17:00,351 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:17:00,352 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:17:00,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 07:17:00,360 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:17:00,392 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,392 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,393 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,394 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,395 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,396 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,396 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,396 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,396 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,396 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,397 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,397 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,398 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,398 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,398 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,399 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,399 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,399 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,400 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,400 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,400 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,401 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,402 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,403 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,404 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,404 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,404 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,404 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,405 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,405 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,405 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,406 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,406 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,406 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,406 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,406 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,407 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,407 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,407 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,407 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,408 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,412 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,413 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,413 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,413 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,413 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,414 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,414 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,414 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,414 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,415 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,415 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,415 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,423 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,423 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,423 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,424 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,424 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,424 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,424 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,425 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,425 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,425 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,425 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,426 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:17:00,466 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 07:17:00,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:17:00,486 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:17:00,486 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:17:00,486 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:17:00,486 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:17:00,486 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:17:00,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:17:00,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:17:00,514 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 07:17:01,170 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12677 states. [2020-04-18 07:17:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12677 states. [2020-04-18 07:17:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 07:17:01,208 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:01,215 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 07:17:01,215 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 07:17:01,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:01,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1491282841, now seen corresponding path program 1 times [2020-04-18 07:17:01,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:01,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435198501] [2020-04-18 07:17:01,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:01,804 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 07:17:01,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435198501] [2020-04-18 07:17:01,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:01,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:01,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429819354] [2020-04-18 07:17:01,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:01,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:01,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:01,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:01,831 INFO L87 Difference]: Start difference. First operand 12677 states. Second operand 6 states. [2020-04-18 07:17:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:02,896 INFO L93 Difference]: Finished difference Result 16420 states and 46231 transitions. [2020-04-18 07:17:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 07:17:02,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 07:17:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:03,017 INFO L225 Difference]: With dead ends: 16420 [2020-04-18 07:17:03,017 INFO L226 Difference]: Without dead ends: 14348 [2020-04-18 07:17:03,021 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 07:17:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14348 states. [2020-04-18 07:17:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14348 to 11928. [2020-04-18 07:17:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11928 states. [2020-04-18 07:17:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11928 states to 11928 states and 33543 transitions. [2020-04-18 07:17:03,745 INFO L78 Accepts]: Start accepts. Automaton has 11928 states and 33543 transitions. Word has length 44 [2020-04-18 07:17:03,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:03,745 INFO L479 AbstractCegarLoop]: Abstraction has 11928 states and 33543 transitions. [2020-04-18 07:17:03,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 11928 states and 33543 transitions. [2020-04-18 07:17:03,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-04-18 07:17:03,750 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:03,750 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] [2020-04-18 07:17:03,751 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 07:17:03,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:03,751 INFO L82 PathProgramCache]: Analyzing trace with hash -75883119, now seen corresponding path program 1 times [2020-04-18 07:17:03,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:03,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932803130] [2020-04-18 07:17:03,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:03,882 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 07:17:03,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932803130] [2020-04-18 07:17:03,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:03,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 07:17:03,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603482785] [2020-04-18 07:17:03,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 07:17:03,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:03,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 07:17:03,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 07:17:03,886 INFO L87 Difference]: Start difference. First operand 11928 states and 33543 transitions. Second operand 5 states. [2020-04-18 07:17:04,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:04,132 INFO L93 Difference]: Finished difference Result 11922 states and 33536 transitions. [2020-04-18 07:17:04,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 07:17:04,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-04-18 07:17:04,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:04,180 INFO L225 Difference]: With dead ends: 11922 [2020-04-18 07:17:04,180 INFO L226 Difference]: Without dead ends: 11922 [2020-04-18 07:17:04,181 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 07:17:04,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11922 states. [2020-04-18 07:17:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11922 to 11907. [2020-04-18 07:17:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11907 states. [2020-04-18 07:17:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11907 states to 11907 states and 33522 transitions. [2020-04-18 07:17:04,817 INFO L78 Accepts]: Start accepts. Automaton has 11907 states and 33522 transitions. Word has length 48 [2020-04-18 07:17:04,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:04,818 INFO L479 AbstractCegarLoop]: Abstraction has 11907 states and 33522 transitions. [2020-04-18 07:17:04,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 07:17:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 11907 states and 33522 transitions. [2020-04-18 07:17:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 07:17:04,824 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:04,824 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 07:17:04,824 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 07:17:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:04,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1088735114, now seen corresponding path program 1 times [2020-04-18 07:17:04,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:04,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020379384] [2020-04-18 07:17:04,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:05,081 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 07:17:05,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020379384] [2020-04-18 07:17:05,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:05,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:05,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939971471] [2020-04-18 07:17:05,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:05,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:05,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:05,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:05,084 INFO L87 Difference]: Start difference. First operand 11907 states and 33522 transitions. Second operand 6 states. [2020-04-18 07:17:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:06,499 INFO L93 Difference]: Finished difference Result 15163 states and 42332 transitions. [2020-04-18 07:17:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 07:17:06,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 07:17:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:06,557 INFO L225 Difference]: With dead ends: 15163 [2020-04-18 07:17:06,557 INFO L226 Difference]: Without dead ends: 13369 [2020-04-18 07:17:06,558 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 07:17:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13369 states. [2020-04-18 07:17:07,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13369 to 13047. [2020-04-18 07:17:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13047 states. [2020-04-18 07:17:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13047 states to 13047 states and 36710 transitions. [2020-04-18 07:17:07,051 INFO L78 Accepts]: Start accepts. Automaton has 13047 states and 36710 transitions. Word has length 50 [2020-04-18 07:17:07,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:07,054 INFO L479 AbstractCegarLoop]: Abstraction has 13047 states and 36710 transitions. [2020-04-18 07:17:07,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 13047 states and 36710 transitions. [2020-04-18 07:17:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-04-18 07:17:07,061 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:07,061 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] [2020-04-18 07:17:07,061 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 07:17:07,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:07,061 INFO L82 PathProgramCache]: Analyzing trace with hash 49978714, now seen corresponding path program 1 times [2020-04-18 07:17:07,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:07,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122913294] [2020-04-18 07:17:07,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:07,262 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 07:17:07,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122913294] [2020-04-18 07:17:07,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:07,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:07,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706661736] [2020-04-18 07:17:07,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:07,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:07,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:07,264 INFO L87 Difference]: Start difference. First operand 13047 states and 36710 transitions. Second operand 6 states. [2020-04-18 07:17:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:08,078 INFO L93 Difference]: Finished difference Result 16813 states and 47125 transitions. [2020-04-18 07:17:08,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:17:08,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-04-18 07:17:08,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:08,127 INFO L225 Difference]: With dead ends: 16813 [2020-04-18 07:17:08,127 INFO L226 Difference]: Without dead ends: 16813 [2020-04-18 07:17:08,128 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 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 07:17:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16813 states. [2020-04-18 07:17:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16813 to 13885. [2020-04-18 07:17:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2020-04-18 07:17:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 39044 transitions. [2020-04-18 07:17:08,587 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 39044 transitions. Word has length 54 [2020-04-18 07:17:08,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:08,589 INFO L479 AbstractCegarLoop]: Abstraction has 13885 states and 39044 transitions. [2020-04-18 07:17:08,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 39044 transitions. [2020-04-18 07:17:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-04-18 07:17:08,603 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:08,603 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 07:17:08,604 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 07:17:08,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:08,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1222383590, now seen corresponding path program 1 times [2020-04-18 07:17:08,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:08,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968968713] [2020-04-18 07:17:08,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:08,745 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 07:17:08,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968968713] [2020-04-18 07:17:08,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:08,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 07:17:08,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526083161] [2020-04-18 07:17:08,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 07:17:08,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:08,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 07:17:08,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-04-18 07:17:08,748 INFO L87 Difference]: Start difference. First operand 13885 states and 39044 transitions. Second operand 5 states. [2020-04-18 07:17:08,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:08,854 INFO L93 Difference]: Finished difference Result 8060 states and 22534 transitions. [2020-04-18 07:17:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 07:17:08,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-04-18 07:17:08,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:08,870 INFO L225 Difference]: With dead ends: 8060 [2020-04-18 07:17:08,870 INFO L226 Difference]: Without dead ends: 8060 [2020-04-18 07:17:08,871 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 07:17:09,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8060 states. [2020-04-18 07:17:09,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8060 to 8060. [2020-04-18 07:17:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8060 states. [2020-04-18 07:17:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8060 states to 8060 states and 22534 transitions. [2020-04-18 07:17:09,162 INFO L78 Accepts]: Start accepts. Automaton has 8060 states and 22534 transitions. Word has length 58 [2020-04-18 07:17:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:09,163 INFO L479 AbstractCegarLoop]: Abstraction has 8060 states and 22534 transitions. [2020-04-18 07:17:09,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 07:17:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8060 states and 22534 transitions. [2020-04-18 07:17:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-04-18 07:17:09,172 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:09,172 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] [2020-04-18 07:17:09,173 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 07:17:09,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1803011973, now seen corresponding path program 1 times [2020-04-18 07:17:09,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:09,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650767444] [2020-04-18 07:17:09,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:17:09,343 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 07:17:09,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650767444] [2020-04-18 07:17:09,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:17:09,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:17:09,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094015190] [2020-04-18 07:17:09,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:17:09,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:17:09,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:17:09,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:17:09,346 INFO L87 Difference]: Start difference. First operand 8060 states and 22534 transitions. Second operand 6 states. [2020-04-18 07:17:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:17:09,964 INFO L93 Difference]: Finished difference Result 12466 states and 34446 transitions. [2020-04-18 07:17:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:17:09,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-04-18 07:17:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:17:09,991 INFO L225 Difference]: With dead ends: 12466 [2020-04-18 07:17:09,991 INFO L226 Difference]: Without dead ends: 12466 [2020-04-18 07:17:09,992 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 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 07:17:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12466 states. [2020-04-18 07:17:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12466 to 10347. [2020-04-18 07:17:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10347 states. [2020-04-18 07:17:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10347 states to 10347 states and 29106 transitions. [2020-04-18 07:17:10,264 INFO L78 Accepts]: Start accepts. Automaton has 10347 states and 29106 transitions. Word has length 60 [2020-04-18 07:17:10,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:17:10,265 INFO L479 AbstractCegarLoop]: Abstraction has 10347 states and 29106 transitions. [2020-04-18 07:17:10,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:17:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 10347 states and 29106 transitions. [2020-04-18 07:17:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-04-18 07:17:10,276 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:17:10,276 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] [2020-04-18 07:17:10,276 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 07:17:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:17:10,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1138782170, now seen corresponding path program 1 times [2020-04-18 07:17:10,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:17:10,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301096361] [2020-04-18 07:17:10,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:17:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:17:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:17:10,452 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:17:10,453 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:17:10,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:17:10 BasicIcfg [2020-04-18 07:17:10,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:17:10,609 INFO L168 Benchmark]: Toolchain (without parser) took 13038.62 ms. Allocated memory was 136.3 MB in the beginning and 574.1 MB in the end (delta: 437.8 MB). Free memory was 97.3 MB in the beginning and 461.9 MB in the end (delta: -364.6 MB). Peak memory consumption was 396.5 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,610 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1486.92 ms. Allocated memory was 136.3 MB in the beginning and 230.2 MB in the end (delta: 93.8 MB). Free memory was 95.4 MB in the beginning and 168.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.55 ms. Allocated memory is still 230.2 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,615 INFO L168 Benchmark]: Boogie Preprocessor took 98.81 ms. Allocated memory is still 230.2 MB. Free memory was 165.3 MB in the beginning and 162.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,618 INFO L168 Benchmark]: RCFGBuilder took 1005.66 ms. Allocated memory is still 230.2 MB. Free memory was 162.3 MB in the beginning and 113.5 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,619 INFO L168 Benchmark]: TraceAbstraction took 10271.67 ms. Allocated memory was 230.2 MB in the beginning and 574.1 MB in the end (delta: 343.9 MB). Free memory was 112.0 MB in the beginning and 461.9 MB in the end (delta: -349.9 MB). Peak memory consumption was 317.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:17:10,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1486.92 ms. Allocated memory was 136.3 MB in the beginning and 230.2 MB in the end (delta: 93.8 MB). Free memory was 95.4 MB in the beginning and 168.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 155.55 ms. Allocated memory is still 230.2 MB. Free memory was 168.3 MB in the beginning and 165.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.81 ms. Allocated memory is still 230.2 MB. Free memory was 165.3 MB in the beginning and 162.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1005.66 ms. Allocated memory is still 230.2 MB. Free memory was 162.3 MB in the beginning and 113.5 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10271.67 ms. Allocated memory was 230.2 MB in the beginning and 574.1 MB in the end (delta: 343.9 MB). Free memory was 112.0 MB in the beginning and 461.9 MB in the end (delta: -349.9 MB). Peak memory consumption was 317.3 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}] [L1696] 1 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [arg={7:24}, arg={7:24}, 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}, 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}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; 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 data->shared.a = 3 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}] [L1723] 0 data->shared.b = 3 VAL [__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.a VAL [__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 [__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 [__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: 9.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 1321 SDtfs, 1537 SDslu, 3748 SDs, 0 SdLazy, 738 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13885occurred 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: 2.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 7804 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 29338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...