./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_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan --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 Taipan --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 11:27:08,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:08,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:08,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:08,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:08,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:08,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:08,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:08,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:08,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:08,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:08,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:08,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:08,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:08,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:08,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:08,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:08,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:08,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:08,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:08,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:08,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:08,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:08,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:08,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:08,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:08,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:08,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:08,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:08,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:08,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:08,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:08,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:08,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:08,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:08,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:08,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:08,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:08,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:08,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:08,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:08,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:08,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:08,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:08,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:08,093 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:08,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:08,094 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:08,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:08,094 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:08,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:08,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:08,095 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:08,095 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:08,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:08,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:08,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:08,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:08,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:08,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:08,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:08,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:08,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:08,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:08,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:08,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:08,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:08,098 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:08,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:08,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:08,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:08,099 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan 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 -> Taipan 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 11:27:08,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:08,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:08,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:08,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:08,150 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:08,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2019-10-22 11:27:08,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/data/6f5bb0588/7024d564a196499f8a1da565315ae96a/FLAG6e7bcaa82 [2019-10-22 11:27:08,725 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:08,726 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2019-10-22 11:27:08,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/data/6f5bb0588/7024d564a196499f8a1da565315ae96a/FLAG6e7bcaa82 [2019-10-22 11:27:08,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/data/6f5bb0588/7024d564a196499f8a1da565315ae96a [2019-10-22 11:27:08,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:08,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:08,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:08,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:08,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:08,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:08" (1/1) ... [2019-10-22 11:27:08,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f7c8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:08, skipping insertion in model container [2019-10-22 11:27:08,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:08" (1/1) ... [2019-10-22 11:27:08,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:09,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:09,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:09,827 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:09,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:10,172 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:10,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10 WrapperNode [2019-10-22 11:27:10,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:10,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:10,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:10,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:10,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:10,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:10,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:10,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:10,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... [2019-10-22 11:27:10,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:10,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:10,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:10,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:10,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/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 11:27:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-10-22 11:27:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2019-10-22 11:27:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2019-10-22 11:27:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:10,362 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 11:27:11,064 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:11,066 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-10-22 11:27:11,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:11 BoogieIcfgContainer [2019-10-22 11:27:11,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:11,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:11,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:11,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:11,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:08" (1/3) ... [2019-10-22 11:27:11,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd15bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:11, skipping insertion in model container [2019-10-22 11:27:11,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:10" (2/3) ... [2019-10-22 11:27:11,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd15bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:11, skipping insertion in model container [2019-10-22 11:27:11,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:11" (3/3) ... [2019-10-22 11:27:11,075 INFO L109 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2019-10-22 11:27:11,109 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,109 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,110 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,110 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,110 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,111 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,112 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,113 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,113 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,113 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,113 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,114 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,114 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,117 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,117 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,117 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,118 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,118 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,119 WARN L315 ript$VariableManager]: TermVariabe Thread0_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,119 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,119 WARN L315 ript$VariableManager]: TermVariabe |Thread0_my_callback_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,119 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,120 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,121 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,122 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,122 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,122 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,123 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,124 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,124 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,124 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,124 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,124 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,125 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,125 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,125 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,125 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,125 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,126 WARN L315 ript$VariableManager]: TermVariabe Thread1_my_callback_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,126 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,126 WARN L315 ript$VariableManager]: TermVariabe |Thread1_my_callback_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:11,155 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:27:11,156 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:11,164 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-10-22 11:27:11,173 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-10-22 11:27:11,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:11,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:11,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:11,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:11,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:11,187 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:11,187 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:11,187 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:11,197 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 154 transitions [2019-10-22 11:27:11,915 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12658 states. [2019-10-22 11:27:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12658 states. [2019-10-22 11:27:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:27:11,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:11,934 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 11:27:11,936 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:11,942 INFO L82 PathProgramCache]: Analyzing trace with hash -106116768, now seen corresponding path program 1 times [2019-10-22 11:27:11,951 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:11,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726737786] [2019-10-22 11:27:11,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:11,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:11,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:12,453 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 11:27:12,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726737786] [2019-10-22 11:27:12,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:12,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:12,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754618869] [2019-10-22 11:27:12,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:12,464 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:12,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:12,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:12,486 INFO L87 Difference]: Start difference. First operand 12658 states. Second operand 6 states. [2019-10-22 11:27:13,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:13,299 INFO L93 Difference]: Finished difference Result 16401 states and 46212 transitions. [2019-10-22 11:27:13,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:27:13,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 11:27:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:13,396 INFO L225 Difference]: With dead ends: 16401 [2019-10-22 11:27:13,397 INFO L226 Difference]: Without dead ends: 14326 [2019-10-22 11:27:13,401 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 11:27:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14326 states. [2019-10-22 11:27:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14326 to 11906. [2019-10-22 11:27:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11906 states. [2019-10-22 11:27:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11906 states to 11906 states and 33521 transitions. [2019-10-22 11:27:13,897 INFO L78 Accepts]: Start accepts. Automaton has 11906 states and 33521 transitions. Word has length 43 [2019-10-22 11:27:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:13,898 INFO L462 AbstractCegarLoop]: Abstraction has 11906 states and 33521 transitions. [2019-10-22 11:27:13,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 11906 states and 33521 transitions. [2019-10-22 11:27:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:27:13,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:13,901 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 11:27:13,901 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:13,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:13,901 INFO L82 PathProgramCache]: Analyzing trace with hash 483991326, now seen corresponding path program 1 times [2019-10-22 11:27:13,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:13,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365427606] [2019-10-22 11:27:13,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:14,042 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 11:27:14,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365427606] [2019-10-22 11:27:14,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:14,043 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:14,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426170306] [2019-10-22 11:27:14,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:14,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:14,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:14,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:14,045 INFO L87 Difference]: Start difference. First operand 11906 states and 33521 transitions. Second operand 6 states. [2019-10-22 11:27:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:14,795 INFO L93 Difference]: Finished difference Result 17448 states and 49085 transitions. [2019-10-22 11:27:14,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:27:14,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 11:27:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:14,874 INFO L225 Difference]: With dead ends: 17448 [2019-10-22 11:27:14,874 INFO L226 Difference]: Without dead ends: 17448 [2019-10-22 11:27:14,875 INFO L600 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 [2019-10-22 11:27:14,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17448 states. [2019-10-22 11:27:15,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17448 to 12744. [2019-10-22 11:27:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12744 states. [2019-10-22 11:27:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12744 states to 12744 states and 35855 transitions. [2019-10-22 11:27:15,414 INFO L78 Accepts]: Start accepts. Automaton has 12744 states and 35855 transitions. Word has length 43 [2019-10-22 11:27:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:15,415 INFO L462 AbstractCegarLoop]: Abstraction has 12744 states and 35855 transitions. [2019-10-22 11:27:15,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 12744 states and 35855 transitions. [2019-10-22 11:27:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:27:15,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:15,423 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 11:27:15,423 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:15,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:15,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1957855759, now seen corresponding path program 1 times [2019-10-22 11:27:15,424 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:15,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525874724] [2019-10-22 11:27:15,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:15,578 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 11:27:15,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525874724] [2019-10-22 11:27:15,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:15,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:15,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862783670] [2019-10-22 11:27:15,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:15,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:15,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:15,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:15,580 INFO L87 Difference]: Start difference. First operand 12744 states and 35855 transitions. Second operand 6 states. [2019-10-22 11:27:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:16,137 INFO L93 Difference]: Finished difference Result 16000 states and 44665 transitions. [2019-10-22 11:27:16,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:27:16,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-22 11:27:16,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:16,172 INFO L225 Difference]: With dead ends: 16000 [2019-10-22 11:27:16,173 INFO L226 Difference]: Without dead ends: 14206 [2019-10-22 11:27:16,173 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 11:27:16,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14206 states. [2019-10-22 11:27:16,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14206 to 13884. [2019-10-22 11:27:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13884 states. [2019-10-22 11:27:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13884 states to 13884 states and 39043 transitions. [2019-10-22 11:27:16,493 INFO L78 Accepts]: Start accepts. Automaton has 13884 states and 39043 transitions. Word has length 49 [2019-10-22 11:27:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:16,496 INFO L462 AbstractCegarLoop]: Abstraction has 13884 states and 39043 transitions. [2019-10-22 11:27:16,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 13884 states and 39043 transitions. [2019-10-22 11:27:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:27:16,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:16,500 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 11:27:16,500 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:16,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:16,501 INFO L82 PathProgramCache]: Analyzing trace with hash 272049684, now seen corresponding path program 1 times [2019-10-22 11:27:16,501 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:16,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606367477] [2019-10-22 11:27:16,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:16,635 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 11:27:16,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606367477] [2019-10-22 11:27:16,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:16,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:16,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732270044] [2019-10-22 11:27:16,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:16,636 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:16,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:16,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:16,636 INFO L87 Difference]: Start difference. First operand 13884 states and 39043 transitions. Second operand 6 states. [2019-10-22 11:27:17,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:17,251 INFO L93 Difference]: Finished difference Result 22964 states and 64349 transitions. [2019-10-22 11:27:17,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:27:17,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-22 11:27:17,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:17,308 INFO L225 Difference]: With dead ends: 22964 [2019-10-22 11:27:17,308 INFO L226 Difference]: Without dead ends: 22964 [2019-10-22 11:27:17,309 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 11:27:17,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22964 states. [2019-10-22 11:27:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22964 to 16171. [2019-10-22 11:27:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16171 states. [2019-10-22 11:27:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16171 states to 16171 states and 45615 transitions. [2019-10-22 11:27:17,816 INFO L78 Accepts]: Start accepts. Automaton has 16171 states and 45615 transitions. Word has length 49 [2019-10-22 11:27:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:17,816 INFO L462 AbstractCegarLoop]: Abstraction has 16171 states and 45615 transitions. [2019-10-22 11:27:17,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16171 states and 45615 transitions. [2019-10-22 11:27:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 11:27:17,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:17,820 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 11:27:17,820 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash 22692924, now seen corresponding path program 1 times [2019-10-22 11:27:17,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:17,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648931849] [2019-10-22 11:27:17,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:17,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:17,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:17,922 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:27:17,923 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:27:17,983 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 11:27:17,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:17 BasicIcfg [2019-10-22 11:27:17,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:17,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:17,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:17,992 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:17,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:11" (3/4) ... [2019-10-22 11:27:17,994 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:27:18,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c9827566-4d02-483d-85c6-8d1b4fc642f4/bin/utaipan/witness.graphml [2019-10-22 11:27:18,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:18,068 INFO L168 Benchmark]: Toolchain (without parser) took 9095.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -103.1 MB). Peak memory consumption was 225.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,069 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:18,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1200.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 999.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.37 ms. Allocated memory is still 1.2 GB. Free memory is still 999.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:18,076 INFO L168 Benchmark]: Boogie Preprocessor took 59.67 ms. Allocated memory is still 1.2 GB. Free memory was 999.1 MB in the beginning and 992.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,077 INFO L168 Benchmark]: RCFGBuilder took 757.43 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 943.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,077 INFO L168 Benchmark]: TraceAbstraction took 6923.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,077 INFO L168 Benchmark]: Witness Printer took 73.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:18,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1200.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.5 MB in the beginning and 999.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.37 ms. Allocated memory is still 1.2 GB. Free memory is still 999.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.67 ms. Allocated memory is still 1.2 GB. Free memory was 999.1 MB in the beginning and 992.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 757.43 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 943.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6923.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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}, 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: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.0s, 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, 0.8s 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...