./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1766652f17da0a72e6ccfce453aab631723aa1eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:30,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:30,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:30,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:30,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:30,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:30,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:30,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:30,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:30,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:30,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:30,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:30,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:30,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:30,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:30,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:30,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:30,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:30,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:30,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:30,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:30,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:30,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:30,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:30,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:30,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:30,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:30,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:30,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:30,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:30,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:30,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:30,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:30,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:30,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:30,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:30,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:30,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:30,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:30,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:30,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:30,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:30,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:30,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:30,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:30,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:30,597 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:30,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:30,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:30,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:30,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:30,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:30,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:30,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:30,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:30,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:30,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:30,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:30,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:30,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:30,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:30,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:30,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:30,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:30,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:30,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:30,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:30,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:30,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:30,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:30,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1766652f17da0a72e6ccfce453aab631723aa1eb [2019-10-22 09:02:30,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:30,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:30,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:30,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:30,646 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:30,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2019-10-22 09:02:30,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/data/3a62043af/6b2d332ac1cb4b529834db650a6b6e74/FLAGbb362965f [2019-10-22 09:02:31,197 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:31,198 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2019-10-22 09:02:31,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/data/3a62043af/6b2d332ac1cb4b529834db650a6b6e74/FLAGbb362965f [2019-10-22 09:02:31,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/data/3a62043af/6b2d332ac1cb4b529834db650a6b6e74 [2019-10-22 09:02:31,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:31,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:31,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:31,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:31,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:31,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8b3aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:31,759 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:32,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:32,474 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:32,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:32,809 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:32,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32 WrapperNode [2019-10-22 09:02:32,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:32,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:32,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:32,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:32,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:32,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:32,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:32,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:32,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... [2019-10-22 09:02:32,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:32,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:32,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:32,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:32,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/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 [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2019-10-22 09:02:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2019-10-22 09:02:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:33,009 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 09:02:33,749 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:33,749 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-10-22 09:02:33,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:33 BoogieIcfgContainer [2019-10-22 09:02:33,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:33,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:33,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:33,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:33,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:31" (1/3) ... [2019-10-22 09:02:33,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7e0e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:33, skipping insertion in model container [2019-10-22 09:02:33,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:32" (2/3) ... [2019-10-22 09:02:33,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7e0e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:33, skipping insertion in model container [2019-10-22 09:02:33,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:33" (3/3) ... [2019-10-22 09:02:33,758 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2019-10-22 09:02:33,792 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,792 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,792 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,792 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,793 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,793 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,793 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,793 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,793 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,794 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,795 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,796 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,796 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,796 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,796 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,797 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,798 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,798 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,798 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,798 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,798 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,799 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,799 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,799 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,799 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,799 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,800 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,801 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,802 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,803 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,803 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,803 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,803 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,803 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,804 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,804 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,804 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,804 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,804 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,805 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:02:33,824 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 09:02:33,824 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:33,831 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-10-22 09:02:33,839 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-10-22 09:02:33,856 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:33,856 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:33,857 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:33,857 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:33,857 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:33,857 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:33,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:33,857 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:33,872 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 154 transitions [2019-10-22 09:02:34,500 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12658 states. [2019-10-22 09:02:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 12658 states. [2019-10-22 09:02:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 09:02:34,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:34,517 INFO L380 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] [2019-10-22 09:02:34,519 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:34,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:34,525 INFO L82 PathProgramCache]: Analyzing trace with hash -106116768, now seen corresponding path program 1 times [2019-10-22 09:02:34,532 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:34,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94421511] [2019-10-22 09:02:34,533 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,533 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:35,015 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94421511] [2019-10-22 09:02:35,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:35,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:35,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438788400] [2019-10-22 09:02:35,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:35,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:35,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:35,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:35,036 INFO L87 Difference]: Start difference. First operand 12658 states. Second operand 6 states. [2019-10-22 09:02:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:35,838 INFO L93 Difference]: Finished difference Result 16401 states and 46212 transitions. [2019-10-22 09:02:35,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 09:02:35,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 09:02:35,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:35,936 INFO L225 Difference]: With dead ends: 16401 [2019-10-22 09:02:35,939 INFO L226 Difference]: Without dead ends: 14326 [2019-10-22 09:02:35,940 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:36,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14326 states. [2019-10-22 09:02:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14326 to 11906. [2019-10-22 09:02:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11906 states. [2019-10-22 09:02:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11906 states to 11906 states and 33521 transitions. [2019-10-22 09:02:36,399 INFO L78 Accepts]: Start accepts. Automaton has 11906 states and 33521 transitions. Word has length 43 [2019-10-22 09:02:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:36,400 INFO L462 AbstractCegarLoop]: Abstraction has 11906 states and 33521 transitions. [2019-10-22 09:02:36,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 11906 states and 33521 transitions. [2019-10-22 09:02:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 09:02:36,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:36,403 INFO L380 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] [2019-10-22 09:02:36,403 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:36,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:36,403 INFO L82 PathProgramCache]: Analyzing trace with hash 483991326, now seen corresponding path program 1 times [2019-10-22 09:02:36,403 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:36,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001865143] [2019-10-22 09:02:36,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:36,404 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:36,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:36,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001865143] [2019-10-22 09:02:36,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:36,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:36,524 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300212429] [2019-10-22 09:02:36,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:36,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:36,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:36,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:36,526 INFO L87 Difference]: Start difference. First operand 11906 states and 33521 transitions. Second operand 6 states. [2019-10-22 09:02:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:37,209 INFO L93 Difference]: Finished difference Result 17448 states and 49085 transitions. [2019-10-22 09:02:37,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:02:37,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 09:02:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:37,284 INFO L225 Difference]: With dead ends: 17448 [2019-10-22 09:02:37,284 INFO L226 Difference]: Without dead ends: 17448 [2019-10-22 09:02:37,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:02:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17448 states. [2019-10-22 09:02:37,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17448 to 12744. [2019-10-22 09:02:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12744 states. [2019-10-22 09:02:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12744 states to 12744 states and 35855 transitions. [2019-10-22 09:02:37,812 INFO L78 Accepts]: Start accepts. Automaton has 12744 states and 35855 transitions. Word has length 43 [2019-10-22 09:02:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:37,812 INFO L462 AbstractCegarLoop]: Abstraction has 12744 states and 35855 transitions. [2019-10-22 09:02:37,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 12744 states and 35855 transitions. [2019-10-22 09:02:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 09:02:37,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:37,819 INFO L380 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] [2019-10-22 09:02:37,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:37,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1957855759, now seen corresponding path program 1 times [2019-10-22 09:02:37,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:37,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941605897] [2019-10-22 09:02:37,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:37,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:37,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:37,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941605897] [2019-10-22 09:02:37,991 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:37,991 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:37,991 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443240785] [2019-10-22 09:02:37,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:37,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:37,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:37,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:37,992 INFO L87 Difference]: Start difference. First operand 12744 states and 35855 transitions. Second operand 6 states. [2019-10-22 09:02:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,568 INFO L93 Difference]: Finished difference Result 16000 states and 44665 transitions. [2019-10-22 09:02:38,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:02:38,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-22 09:02:38,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,603 INFO L225 Difference]: With dead ends: 16000 [2019-10-22 09:02:38,603 INFO L226 Difference]: Without dead ends: 14206 [2019-10-22 09:02:38,603 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:02:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14206 states. [2019-10-22 09:02:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14206 to 13884. [2019-10-22 09:02:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13884 states. [2019-10-22 09:02:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13884 states to 13884 states and 39043 transitions. [2019-10-22 09:02:38,932 INFO L78 Accepts]: Start accepts. Automaton has 13884 states and 39043 transitions. Word has length 49 [2019-10-22 09:02:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,933 INFO L462 AbstractCegarLoop]: Abstraction has 13884 states and 39043 transitions. [2019-10-22 09:02:38,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 13884 states and 39043 transitions. [2019-10-22 09:02:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 09:02:38,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,937 INFO L380 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] [2019-10-22 09:02:38,937 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:38,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,937 INFO L82 PathProgramCache]: Analyzing trace with hash 272049684, now seen corresponding path program 1 times [2019-10-22 09:02:38,937 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898742444] [2019-10-22 09:02:38,938 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,938 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898742444] [2019-10-22 09:02:39,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:39,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366557426] [2019-10-22 09:02:39,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:39,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:39,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:39,095 INFO L87 Difference]: Start difference. First operand 13884 states and 39043 transitions. Second operand 6 states. [2019-10-22 09:02:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,720 INFO L93 Difference]: Finished difference Result 22964 states and 64349 transitions. [2019-10-22 09:02:39,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:02:39,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-22 09:02:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,780 INFO L225 Difference]: With dead ends: 22964 [2019-10-22 09:02:39,780 INFO L226 Difference]: Without dead ends: 22964 [2019-10-22 09:02:39,780 INFO L600 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 [2019-10-22 09:02:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22964 states. [2019-10-22 09:02:40,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22964 to 16171. [2019-10-22 09:02:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16171 states. [2019-10-22 09:02:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16171 states to 16171 states and 45615 transitions. [2019-10-22 09:02:40,286 INFO L78 Accepts]: Start accepts. Automaton has 16171 states and 45615 transitions. Word has length 49 [2019-10-22 09:02:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,287 INFO L462 AbstractCegarLoop]: Abstraction has 16171 states and 45615 transitions. [2019-10-22 09:02:40,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 16171 states and 45615 transitions. [2019-10-22 09:02:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 09:02:40,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:40,290 INFO L380 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] [2019-10-22 09:02:40,290 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:40,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:40,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2026663460, now seen corresponding path program 1 times [2019-10-22 09:02:40,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:40,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027921050] [2019-10-22 09:02:40,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:40,389 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:40,389 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:02:40,438 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 09:02:40,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:40 BasicIcfg [2019-10-22 09:02:40,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:40,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:40,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:40,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:40,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:33" (3/4) ... [2019-10-22 09:02:40,452 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:02:40,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57955a7d-38e3-4e5c-8941-f2a4bc5047b1/bin/uautomizer/witness.graphml [2019-10-22 09:02:40,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:40,538 INFO L168 Benchmark]: Toolchain (without parser) took 8863.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 943.1 MB in the beginning and 1.0 GB in the end (delta: -74.8 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,539 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:40,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1134.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.1 MB in the beginning and 992.7 MB in the end (delta: -49.6 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.74 ms. Allocated memory is still 1.2 GB. Free memory was 992.7 MB in the beginning and 989.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,540 INFO L168 Benchmark]: Boogie Preprocessor took 59.12 ms. Allocated memory is still 1.2 GB. Free memory was 989.3 MB in the beginning and 987.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,540 INFO L168 Benchmark]: RCFGBuilder took 798.90 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 933.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,541 INFO L168 Benchmark]: TraceAbstraction took 6694.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 933.2 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,541 INFO L168 Benchmark]: Witness Printer took 87.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:40,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1134.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.1 MB in the beginning and 992.7 MB in the end (delta: -49.6 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.74 ms. Allocated memory is still 1.2 GB. Free memory was 992.7 MB in the beginning and 989.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.12 ms. Allocated memory is still 1.2 GB. Free memory was 989.3 MB in the beginning and 987.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 798.90 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 933.2 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6694.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 933.2 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. * Witness Printer took 87.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 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={1:0}, t2={-2:0}] [L1731] 0 return 0; VAL [t1={1:0}, t2={-2:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={1:0}, t2={-2:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={1:0}, t2={-2:0}] [L1739] 0 int probe_ret; VAL [t1={1:0}, t2={-2:0}] [L1740] 0 struct my_data data; VAL [t1={1:0}, t2={-2:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={1:0}, t2={-2:0}] [L1708] 0 data->shared.a = 0 VAL [t1={1:0}, t2={-2:0}] [L1709] 0 data->shared.b = 0 VAL [t1={1:0}, t2={-2:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={1:0}, t2={-2:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={1:0}, t2={-2:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={-1:24}, t1={1:0}, t2={-2:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={-1:24}, t1={1:0}, t2={-2:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [arg={-1:24}, arg={-1:24}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1697] 2 struct my_data *data; VAL [arg={-1:24}, arg={-1:24}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1715] 0 data->shared.a = 3 VAL [arg={-1:24}, arg={-1:24}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, dev={-1:24}, t1={1:0}, t2={-2:0}] [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={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1716] 0 data->shared.b = 3 VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, pthread_mutex_lock (&data->lock)=0, t1={1:0}, t2={-2:0}] [L1700] 2 data->shared.a = 1 VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1717] 0 data->shared.a VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1682] COND TRUE 0 !expression VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, t1={1:0}, t2={-2:0}] [L1682] 0 __VERIFIER_error() VAL [__mptr={-1:24}, arg={-1:24}, arg={-1:24}, data={-1:0}, dev={-1:24}, t1={1:0}, t2={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 161 locations, 6 error locations. Result: UNSAFE, OverallTime: 6.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1065 SDtfs, 1509 SDslu, 3047 SDs, 0 SdLazy, 697 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16171occurred 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: 1.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 14239 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 18696 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...