/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_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:16:45,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:16:45,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:16:45,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:16:45,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:16:45,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:16:45,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:16:45,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:16:45,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:16:45,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:16:45,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:16:45,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:16:45,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:16:45,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:16:45,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:16:45,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:16:45,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:16:45,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:16:45,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:16:45,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:16:45,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:16:45,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:16:45,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:16:45,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:16:45,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:16:45,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:16:45,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:16:45,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:16:45,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:16:45,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:16:45,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:16:45,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:16:45,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:16:45,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:16:45,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:16:45,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:16:45,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:16:45,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:16:45,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:16:45,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:16:45,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:16:45,400 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 07:16:45,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:16:45,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:16:45,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:16:45,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:16:45,424 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:16:45,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:16:45,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:16:45,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:16:45,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:16:45,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:16:45,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:16:45,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:16:45,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:16:45,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:16:45,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:16:45,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:16:45,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:16:45,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:16:45,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:16:45,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:16:45,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:16:45,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:16:45,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:16:45,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:16:45,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:16:45,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 07:16:45,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:16:45,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 07:16:45,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:16:45,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:16:45,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:16:45,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:16:45,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:16:45,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:16:45,755 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:16:45,756 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-04-18 07:16:45,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c7dc8e3/ce40c2d7980140f48b909884d422e6d3/FLAG3740494cf [2020-04-18 07:16:46,484 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:16:46,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2020-04-18 07:16:46,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c7dc8e3/ce40c2d7980140f48b909884d422e6d3/FLAG3740494cf [2020-04-18 07:16:46,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14c7dc8e3/ce40c2d7980140f48b909884d422e6d3 [2020-04-18 07:16:46,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:16:46,772 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:16:46,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:16:46,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:16:46,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:16:46,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:16:46" (1/1) ... [2020-04-18 07:16:46,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:46, skipping insertion in model container [2020-04-18 07:16:46,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:16:46" (1/1) ... [2020-04-18 07:16:46,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:16:46,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:16:47,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:16:47,595 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:16:47,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:16:48,196 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:16:48,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48 WrapperNode [2020-04-18 07:16:48,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:16:48,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:16:48,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:16:48,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:16:48,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:16:48,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:16:48,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:16:48,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:16:48,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (1/1) ... [2020-04-18 07:16:48,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:16:48,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:16:48,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:16:48,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:16:48,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (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 07:16:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:16:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:16:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 07:16:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 07:16:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:16:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:16:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-04-18 07:16:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-04-18 07:16:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:16:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:16:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 07:16:48,518 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 07:16:49,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:16:49,456 INFO L295 CfgBuilder]: Removed 24 assume(true) statements. [2020-04-18 07:16:49,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:16:49 BoogieIcfgContainer [2020-04-18 07:16:49,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:16:49,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:16:49,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:16:49,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:16:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:16:46" (1/3) ... [2020-04-18 07:16:49,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a26daf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:16:49, skipping insertion in model container [2020-04-18 07:16:49,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:16:48" (2/3) ... [2020-04-18 07:16:49,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a26daf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:16:49, skipping insertion in model container [2020-04-18 07:16:49,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:16:49" (3/3) ... [2020-04-18 07:16:49,471 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2020-04-18 07:16:49,479 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:16:49,480 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:16:49,488 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 07:16:49,489 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:16:49,522 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,523 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,523 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,523 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,524 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,524 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,524 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,524 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,524 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,525 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,526 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,526 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,526 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,526 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,526 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,527 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,527 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,527 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,527 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,528 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,528 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,528 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,528 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,528 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,529 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,529 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,529 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,530 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,530 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,534 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,534 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,534 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,535 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,535 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,535 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,535 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,536 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,536 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,536 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,536 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,537 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,537 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,537 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,537 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,537 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,538 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,538 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,538 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,538 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,539 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,539 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,539 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,539 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,540 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,540 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,540 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,540 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,541 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,541 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,541 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,541 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,542 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,542 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,542 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,546 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,547 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,547 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,547 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,548 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,548 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,548 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,548 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,549 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,549 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,549 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,549 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,557 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,557 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,558 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,558 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,558 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,558 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,559 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,559 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,559 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,559 WARN L315 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,560 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,560 WARN L315 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:16:49,590 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-04-18 07:16:49,609 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:16:49,610 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:16:49,610 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:16:49,610 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:16:49,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:16:49,610 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:16:49,611 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:16:49,611 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:16:49,628 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 157 transitions, 336 flow [2020-04-18 07:16:50,298 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12659 states. [2020-04-18 07:16:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states. [2020-04-18 07:16:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 07:16:50,318 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:16:50,319 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 07:16:50,320 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 07:16:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:16:50,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1545263509, now seen corresponding path program 1 times [2020-04-18 07:16:50,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:16:50,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709245122] [2020-04-18 07:16:50,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:16:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:16:51,080 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 07:16:51,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709245122] [2020-04-18 07:16:51,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:16:51,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:16:51,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135959259] [2020-04-18 07:16:51,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:16:51,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:16:51,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:16:51,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:16:51,107 INFO L87 Difference]: Start difference. First operand 12659 states. Second operand 6 states. [2020-04-18 07:16:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:16:52,205 INFO L93 Difference]: Finished difference Result 16402 states and 46213 transitions. [2020-04-18 07:16:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 07:16:52,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 07:16:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:16:52,352 INFO L225 Difference]: With dead ends: 16402 [2020-04-18 07:16:52,353 INFO L226 Difference]: Without dead ends: 14327 [2020-04-18 07:16:52,359 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-04-18 07:16:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14327 states. [2020-04-18 07:16:52,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14327 to 11907. [2020-04-18 07:16:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11907 states. [2020-04-18 07:16:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11907 states to 11907 states and 33522 transitions. [2020-04-18 07:16:53,049 INFO L78 Accepts]: Start accepts. Automaton has 11907 states and 33522 transitions. Word has length 44 [2020-04-18 07:16:53,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:16:53,050 INFO L479 AbstractCegarLoop]: Abstraction has 11907 states and 33522 transitions. [2020-04-18 07:16:53,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:16:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 11907 states and 33522 transitions. [2020-04-18 07:16:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-04-18 07:16:53,054 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:16:53,054 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 07:16:53,055 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 07:16:53,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:16:53,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1440046740, now seen corresponding path program 1 times [2020-04-18 07:16:53,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:16:53,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679373987] [2020-04-18 07:16:53,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:16:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:16:53,259 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 07:16:53,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679373987] [2020-04-18 07:16:53,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:16:53,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:16:53,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970681204] [2020-04-18 07:16:53,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:16:53,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:16:53,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:16:53,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:16:53,263 INFO L87 Difference]: Start difference. First operand 11907 states and 33522 transitions. Second operand 6 states. [2020-04-18 07:16:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:16:54,285 INFO L93 Difference]: Finished difference Result 17449 states and 49086 transitions. [2020-04-18 07:16:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:16:54,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-04-18 07:16:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:16:54,370 INFO L225 Difference]: With dead ends: 17449 [2020-04-18 07:16:54,370 INFO L226 Difference]: Without dead ends: 17449 [2020-04-18 07:16:54,371 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 07:16:54,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17449 states. [2020-04-18 07:16:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17449 to 12745. [2020-04-18 07:16:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12745 states. [2020-04-18 07:16:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12745 states to 12745 states and 35856 transitions. [2020-04-18 07:16:54,976 INFO L78 Accepts]: Start accepts. Automaton has 12745 states and 35856 transitions. Word has length 44 [2020-04-18 07:16:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:16:54,977 INFO L479 AbstractCegarLoop]: Abstraction has 12745 states and 35856 transitions. [2020-04-18 07:16:54,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:16:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12745 states and 35856 transitions. [2020-04-18 07:16:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 07:16:54,985 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:16:54,985 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 07:16:54,986 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 07:16:54,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:16:54,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1766584548, now seen corresponding path program 1 times [2020-04-18 07:16:54,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:16:54,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638192863] [2020-04-18 07:16:54,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:16:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:16:55,211 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 07:16:55,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638192863] [2020-04-18 07:16:55,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:16:55,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:16:55,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868551653] [2020-04-18 07:16:55,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:16:55,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:16:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:16:55,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:16:55,214 INFO L87 Difference]: Start difference. First operand 12745 states and 35856 transitions. Second operand 6 states. [2020-04-18 07:16:55,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:16:55,922 INFO L93 Difference]: Finished difference Result 16001 states and 44666 transitions. [2020-04-18 07:16:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-04-18 07:16:55,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 07:16:55,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:16:55,967 INFO L225 Difference]: With dead ends: 16001 [2020-04-18 07:16:55,967 INFO L226 Difference]: Without dead ends: 14207 [2020-04-18 07:16:55,969 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 07:16:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14207 states. [2020-04-18 07:16:56,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14207 to 13885. [2020-04-18 07:16:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2020-04-18 07:16:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 39044 transitions. [2020-04-18 07:16:56,499 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 39044 transitions. Word has length 50 [2020-04-18 07:16:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:16:56,502 INFO L479 AbstractCegarLoop]: Abstraction has 13885 states and 39044 transitions. [2020-04-18 07:16:56,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:16:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 39044 transitions. [2020-04-18 07:16:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-04-18 07:16:56,514 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:16:56,515 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 07:16:56,515 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 07:16:56,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:16:56,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1496801726, now seen corresponding path program 1 times [2020-04-18 07:16:56,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:16:56,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904161895] [2020-04-18 07:16:56,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:16:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:16:56,719 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 07:16:56,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904161895] [2020-04-18 07:16:56,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:16:56,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 07:16:56,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899791646] [2020-04-18 07:16:56,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 07:16:56,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 07:16:56,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 07:16:56,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-04-18 07:16:56,725 INFO L87 Difference]: Start difference. First operand 13885 states and 39044 transitions. Second operand 6 states. [2020-04-18 07:16:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:16:58,292 INFO L93 Difference]: Finished difference Result 22965 states and 64350 transitions. [2020-04-18 07:16:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-04-18 07:16:58,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-04-18 07:16:58,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:16:58,402 INFO L225 Difference]: With dead ends: 22965 [2020-04-18 07:16:58,402 INFO L226 Difference]: Without dead ends: 22965 [2020-04-18 07:16:58,403 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 07:16:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22965 states. [2020-04-18 07:16:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22965 to 16172. [2020-04-18 07:16:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16172 states. [2020-04-18 07:16:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16172 states to 16172 states and 45616 transitions. [2020-04-18 07:16:58,903 INFO L78 Accepts]: Start accepts. Automaton has 16172 states and 45616 transitions. Word has length 50 [2020-04-18 07:16:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:16:58,903 INFO L479 AbstractCegarLoop]: Abstraction has 16172 states and 45616 transitions. [2020-04-18 07:16:58,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 07:16:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 16172 states and 45616 transitions. [2020-04-18 07:16:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-04-18 07:16:58,909 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:16:58,909 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:16:58,910 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 07:16:58,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:16:58,910 INFO L82 PathProgramCache]: Analyzing trace with hash -250884596, now seen corresponding path program 1 times [2020-04-18 07:16:58,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:16:58,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217475079] [2020-04-18 07:16:58,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:16:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:16:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:16:59,051 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:16:59,051 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:16:59,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:16:59 BasicIcfg [2020-04-18 07:16:59,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:16:59,130 INFO L168 Benchmark]: Toolchain (without parser) took 12378.27 ms. Allocated memory was 141.0 MB in the beginning and 538.4 MB in the end (delta: 397.4 MB). Free memory was 99.9 MB in the beginning and 220.6 MB in the end (delta: -120.7 MB). Peak memory consumption was 276.7 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,131 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1422.29 ms. Allocated memory was 141.0 MB in the beginning and 237.5 MB in the end (delta: 96.5 MB). Free memory was 97.9 MB in the beginning and 167.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.80 ms. Allocated memory is still 237.5 MB. Free memory was 167.7 MB in the beginning and 164.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,135 INFO L168 Benchmark]: Boogie Preprocessor took 64.83 ms. Allocated memory is still 237.5 MB. Free memory was 164.8 MB in the beginning and 161.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,135 INFO L168 Benchmark]: RCFGBuilder took 1058.59 ms. Allocated memory is still 237.5 MB. Free memory was 161.9 MB in the beginning and 112.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,138 INFO L168 Benchmark]: TraceAbstraction took 9660.73 ms. Allocated memory was 237.5 MB in the beginning and 538.4 MB in the end (delta: 300.9 MB). Free memory was 112.7 MB in the beginning and 220.6 MB in the end (delta: -107.9 MB). Peak memory consumption was 193.1 MB. Max. memory is 7.1 GB. [2020-04-18 07:16:59,144 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 141.0 MB. Free memory was 122.0 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1422.29 ms. Allocated memory was 141.0 MB in the beginning and 237.5 MB in the end (delta: 96.5 MB). Free memory was 97.9 MB in the beginning and 167.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 139.80 ms. Allocated memory is still 237.5 MB. Free memory was 167.7 MB in the beginning and 164.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.83 ms. Allocated memory is still 237.5 MB. Free memory was 164.8 MB in the beginning and 161.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1058.59 ms. Allocated memory is still 237.5 MB. Free memory was 161.9 MB in the beginning and 112.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9660.73 ms. Allocated memory was 237.5 MB in the beginning and 538.4 MB in the end (delta: 300.9 MB). Free memory was 112.7 MB in the beginning and 220.6 MB in the end (delta: -107.9 MB). Peak memory consumption was 193.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1731] 0 return 0; VAL [t1={5:0}, t2={6:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={5:0}, t2={6:0}] [L1739] 0 int probe_ret; VAL [t1={5:0}, t2={6:0}] [L1740] 0 struct my_data data; VAL [t1={5:0}, t2={6:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={5:0}, t2={6:0}] [L1708] 0 data->shared.a = 0 VAL [t1={5:0}, t2={6:0}] [L1709] 0 data->shared.b = 0 VAL [t1={5:0}, t2={6:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={5:0}, t2={6:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={2:24}, t1={5:0}, t2={6:0}] [L1715] 0 data->shared.a = 3 VAL [arg={2:24}, arg={2:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, dev={2:24}, t1={5:0}, t2={6:0}] [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.a = 1 VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1717] 0 data->shared.a VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [__mptr={2:24}, arg={2:24}, arg={2:24}, data={2:0}, dev={2:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, HoareTripleCheckerStatistics: 1069 SDtfs, 1509 SDslu, 3063 SDs, 0 SdLazy, 697 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16172occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 14239 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 19290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...