./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e02278ee7d9986faf1ae0635ee11725f823e79f3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-aa41828 [2018-11-23 05:16:06,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:16:06,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:16:06,355 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:16:06,355 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:16:06,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:16:06,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:16:06,358 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:16:06,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:16:06,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:16:06,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:16:06,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:16:06,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:16:06,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:16:06,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:16:06,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:16:06,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:16:06,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:16:06,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:16:06,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:16:06,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:16:06,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:16:06,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:16:06,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:16:06,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:16:06,372 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:16:06,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:16:06,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:16:06,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:16:06,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:16:06,375 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:16:06,376 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:16:06,376 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:16:06,376 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:16:06,377 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:16:06,377 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:16:06,377 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:16:06,387 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:16:06,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:16:06,388 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:16:06,388 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:16:06,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:16:06,389 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:16:06,389 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:16:06,389 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:16:06,389 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:16:06,390 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:16:06,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:16:06,392 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:16:06,392 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:16:06,392 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:16:06,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:16:06,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:16:06,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:16:06,394 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak 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 -> Kojak 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 -> e02278ee7d9986faf1ae0635ee11725f823e79f3 [2018-11-23 05:16:06,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:16:06,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:16:06,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:16:06,430 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:16:06,431 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:16:06,431 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c [2018-11-23 05:16:06,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/data/16429fa7c/988ccb5b0b0e4e12bb7317312abc0987/FLAGcf7e94e5a [2018-11-23 05:16:06,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:16:06,870 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c [2018-11-23 05:16:06,874 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/data/16429fa7c/988ccb5b0b0e4e12bb7317312abc0987/FLAGcf7e94e5a [2018-11-23 05:16:06,884 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/data/16429fa7c/988ccb5b0b0e4e12bb7317312abc0987 [2018-11-23 05:16:06,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:16:06,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:16:06,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:16:06,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:16:06,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:16:06,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:06" (1/1) ... [2018-11-23 05:16:06,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:06, skipping insertion in model container [2018-11-23 05:16:06,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:06" (1/1) ... [2018-11-23 05:16:06,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:16:06,909 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:16:07,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:16:07,023 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:16:07,032 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:16:07,042 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:16:07,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07 WrapperNode [2018-11-23 05:16:07,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:16:07,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:16:07,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:16:07,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:16:07,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:16:07,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:16:07,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:16:07,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:16:07,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:16:07,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:16:07,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:16:07,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:16:07,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 05:16:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 05:16:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:16:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:16:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:16:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 05:16:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:16:07,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:16:07,331 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 05:16:07,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:16:07 BoogieIcfgContainer [2018-11-23 05:16:07,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:16:07,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:16:07,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:16:07,341 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:16:07,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:16:07" (1/1) ... [2018-11-23 05:16:07,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:16:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:16:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 05:16:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 05:16:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 05:16:07,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:16:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:16:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:16:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:16:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:16:07,505 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8);call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4);call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4);havoc main_#res;havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset;main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset;assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset;havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset;assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset;assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset;call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4);call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4);havoc assign_#t~mem0;call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4);call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |ULTIMATE.start_main_#t~mem1|=0, |ULTIMATE.start_main_#t~mem2|=1, |~#global~0.base|=3, |~#global~0.offset|=0] [?] assume main_#t~mem1 != main_#t~mem2;havoc main_#t~mem2;havoc main_#t~mem1; VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |~#global~0.base|=3, |~#global~0.offset|=0] [?] assume !false; VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |~#global~0.base|=3, |~#global~0.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L3-L5] call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8); [L3-L5] call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4); [L3-L5] call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset; [L14] main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset; [L16] assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset; [L16] havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset; [L7-L10] assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset; [L7-L10] assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset; [L9] call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4); [L9] call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4); [L9] havoc assign_#t~mem0; [L18] call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4); [L18] call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L18-L20] assume main_#t~mem1 != main_#t~mem2; [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L3-L5] call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8); [L3-L5] call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4); [L3-L5] call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset; [L14] main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset; [L16] assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset; [L16] havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset; [L7-L10] assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset; [L7-L10] assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset; [L9] call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4); [L9] call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4); [L9] havoc assign_#t~mem0; [L18] call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4); [L18] call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L18-L20] assume main_#t~mem1 != main_#t~mem2; [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0; [L14] main_~pd~0 := ~#global~0; [L16] assign_#in~pa, assign_#in~pb := { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }, { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }; [L16] havoc assign_#t~mem0, assign_~pa, assign_~pb; [L7-L10] assign_~pa := assign_#in~pa; [L7-L10] assign_~pb := assign_#in~pb; [L9] FCALL call assign_#t~mem0 := read~int(assign_~pb, 4); [L9] FCALL call write~int(assign_#t~mem0, assign_~pa, 4); [L9] havoc assign_#t~mem0; [L18] FCALL call main_#t~mem1 := read~int({ base: main_~pd~0!base, offset: main_~pd~0!offset }, 4); [L18] FCALL call main_#t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE main_#t~mem1 != main_#t~mem2 [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0; [L14] main_~pd~0 := ~#global~0; [L16] assign_#in~pa, assign_#in~pb := { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }, { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }; [L16] havoc assign_#t~mem0, assign_~pa, assign_~pb; [L7-L10] assign_~pa := assign_#in~pa; [L7-L10] assign_~pb := assign_#in~pb; [L9] FCALL call assign_#t~mem0 := read~int(assign_~pb, 4); [L9] FCALL call write~int(assign_#t~mem0, assign_~pa, 4); [L9] havoc assign_#t~mem0; [L18] FCALL call main_#t~mem1 := read~int({ base: main_~pd~0!base, offset: main_~pd~0!offset }, 4); [L18] FCALL call main_#t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE main_#t~mem1 != main_#t~mem2 [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [L14] ~pd~0 := ~#global~0; [L7-L10] ~pa := #in~pa; [L7-L10] ~pb := #in~pb; [L9] FCALL call #t~mem0 := read~int(~pb, 4); [L9] FCALL call write~int(#t~mem0, ~pa, 4); [L9] havoc #t~mem0; [L18] FCALL call #t~mem1 := read~int({ base: ~pd~0!base, offset: ~pd~0!offset }, 4); [L18] FCALL call #t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem2; [L18] havoc #t~mem1; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [L14] ~pd~0 := ~#global~0; [L7-L10] ~pa := #in~pa; [L7-L10] ~pb := #in~pb; [L9] FCALL call #t~mem0 := read~int(~pb, 4); [L9] FCALL call write~int(#t~mem0, ~pa, 4); [L9] havoc #t~mem0; [L18] FCALL call #t~mem1 := read~int({ base: ~pd~0!base, offset: ~pd~0!offset }, 4); [L18] FCALL call #t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem2; [L18] havoc #t~mem1; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L3-L5] struct dummy { int a, b; } global = {0, 1}; [L14] struct dummy *pd = &global; [L9] EXPR \read(*pb) [L9] *pa = *pb [L18] EXPR pd->a [L18] EXPR global.b VAL [global={3:0}] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={3:0}] ----- [2018-11-23 05:16:07,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:16:07 ImpRootNode [2018-11-23 05:16:07,532 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:16:07,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:16:07,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:16:07,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:16:07,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:16:07" (3/4) ... [2018-11-23 05:16:07,534 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8);call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4);call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4);havoc main_#res;havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset;main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset;assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset;havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset;assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset;assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset;call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4);call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4);havoc assign_#t~mem0;call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4);call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |ULTIMATE.start_main_#t~mem1|=0, |ULTIMATE.start_main_#t~mem2|=1, |~#global~0.base|=3, |~#global~0.offset|=0] [?] assume main_#t~mem1 != main_#t~mem2;havoc main_#t~mem2;havoc main_#t~mem1; VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |~#global~0.base|=3, |~#global~0.offset|=0] [?] assume !false; VAL [ULTIMATE.start_assign_~pa.base=3, ULTIMATE.start_assign_~pa.offset=4, ULTIMATE.start_assign_~pb.base=3, ULTIMATE.start_assign_~pb.offset=4, ULTIMATE.start_main_~pd~0.base=3, ULTIMATE.start_main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_assign_#in~pa.base|=3, |ULTIMATE.start_assign_#in~pa.offset|=4, |ULTIMATE.start_assign_#in~pb.base|=3, |ULTIMATE.start_assign_#in~pb.offset|=4, |~#global~0.base|=3, |~#global~0.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L3-L5] call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8); [L3-L5] call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4); [L3-L5] call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset; [L14] main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset; [L16] assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset; [L16] havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset; [L7-L10] assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset; [L7-L10] assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset; [L9] call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4); [L9] call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4); [L9] havoc assign_#t~mem0; [L18] call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4); [L18] call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L18-L20] assume main_#t~mem1 != main_#t~mem2; [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L3-L5] call ~#global~0.base, ~#global~0.offset := #Ultimate.alloc(8); [L3-L5] call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4); [L3-L5] call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0.base, main_~pd~0.offset; [L14] main_~pd~0.base, main_~pd~0.offset := ~#global~0.base, ~#global~0.offset; [L16] assign_#in~pa.base, assign_#in~pa.offset, assign_#in~pb.base, assign_#in~pb.offset := main_~pd~0.base, 4 + main_~pd~0.offset, main_~pd~0.base, 4 + main_~pd~0.offset; [L16] havoc assign_#t~mem0, assign_~pa.base, assign_~pa.offset, assign_~pb.base, assign_~pb.offset; [L7-L10] assign_~pa.base, assign_~pa.offset := assign_#in~pa.base, assign_#in~pa.offset; [L7-L10] assign_~pb.base, assign_~pb.offset := assign_#in~pb.base, assign_#in~pb.offset; [L9] call assign_#t~mem0 := read~int(assign_~pb.base, assign_~pb.offset, 4); [L9] call write~int(assign_#t~mem0, assign_~pa.base, assign_~pa.offset, 4); [L9] havoc assign_#t~mem0; [L18] call main_#t~mem1 := read~int(main_~pd~0.base, main_~pd~0.offset, 4); [L18] call main_#t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L18-L20] assume main_#t~mem1 != main_#t~mem2; [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, assign_#in~pa.base=3, assign_#in~pa.offset=4, assign_#in~pb.base=3, assign_#in~pb.offset=4, assign_~pa.base=3, assign_~pa.offset=4, assign_~pb.base=3, assign_~pb.offset=4, main_~pd~0.base=3, main_~pd~0.offset=0, ~#global~0.base=3, ~#global~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0; [L14] main_~pd~0 := ~#global~0; [L16] assign_#in~pa, assign_#in~pb := { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }, { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }; [L16] havoc assign_#t~mem0, assign_~pa, assign_~pb; [L7-L10] assign_~pa := assign_#in~pa; [L7-L10] assign_~pb := assign_#in~pb; [L9] FCALL call assign_#t~mem0 := read~int(assign_~pb, 4); [L9] FCALL call write~int(assign_#t~mem0, assign_~pa, 4); [L9] havoc assign_#t~mem0; [L18] FCALL call main_#t~mem1 := read~int({ base: main_~pd~0!base, offset: main_~pd~0!offset }, 4); [L18] FCALL call main_#t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE main_#t~mem1 != main_#t~mem2 [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [?] havoc main_#res; [?] havoc main_#t~mem1, main_#t~mem2, main_~pd~0; [L14] main_~pd~0 := ~#global~0; [L16] assign_#in~pa, assign_#in~pb := { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }, { base: main_~pd~0!base, offset: 4 + main_~pd~0!offset }; [L16] havoc assign_#t~mem0, assign_~pa, assign_~pb; [L7-L10] assign_~pa := assign_#in~pa; [L7-L10] assign_~pb := assign_#in~pb; [L9] FCALL call assign_#t~mem0 := read~int(assign_~pb, 4); [L9] FCALL call write~int(assign_#t~mem0, assign_~pa, 4); [L9] havoc assign_#t~mem0; [L18] FCALL call main_#t~mem1 := read~int({ base: main_~pd~0!base, offset: main_~pd~0!offset }, 4); [L18] FCALL call main_#t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_#t~mem1=0, main_#t~mem2=1, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE main_#t~mem1 != main_#t~mem2 [L18] havoc main_#t~mem2; [L18] havoc main_#t~mem1; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, assign_#in~pa!base=3, assign_#in~pa!offset=4, assign_#in~pb!base=3, assign_#in~pb!offset=4, assign_~pa!base=3, assign_~pa!offset=4, assign_~pb!base=3, assign_~pb!offset=4, main_~pd~0!base=3, main_~pd~0!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [L14] ~pd~0 := ~#global~0; [L7-L10] ~pa := #in~pa; [L7-L10] ~pb := #in~pb; [L9] FCALL call #t~mem0 := read~int(~pb, 4); [L9] FCALL call write~int(#t~mem0, ~pa, 4); [L9] havoc #t~mem0; [L18] FCALL call #t~mem1 := read~int({ base: ~pd~0!base, offset: ~pd~0!offset }, 4); [L18] FCALL call #t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem2; [L18] havoc #t~mem1; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L3-L5] FCALL call ~#global~0 := #Ultimate.alloc(8); [L3-L5] FCALL call write~init~int(0, { base: ~#global~0!base, offset: ~#global~0!offset }, 4); [L3-L5] FCALL call write~init~int(1, { base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); [L14] ~pd~0 := ~#global~0; [L7-L10] ~pa := #in~pa; [L7-L10] ~pb := #in~pb; [L9] FCALL call #t~mem0 := read~int(~pb, 4); [L9] FCALL call write~int(#t~mem0, ~pa, 4); [L9] havoc #t~mem0; [L18] FCALL call #t~mem1 := read~int({ base: ~pd~0!base, offset: ~pd~0!offset }, 4); [L18] FCALL call #t~mem2 := read~int({ base: ~#global~0!base, offset: 4 + ~#global~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem2; [L18] havoc #t~mem1; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=3, ~#global~0!offset=0] [L3-L5] struct dummy { int a, b; } global = {0, 1}; [L14] struct dummy *pd = &global; [L9] EXPR \read(*pb) [L9] *pa = *pb [L18] EXPR pd->a [L18] EXPR global.b VAL [global={3:0}] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={3:0}] ----- [2018-11-23 05:16:07,566 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eaf4f6d2-4fe8-419f-83c2-0915e20ca72c/bin-2019/ukojak/witness.graphml [2018-11-23 05:16:07,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:16:07,567 INFO L168 Benchmark]: Toolchain (without parser) took 680.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,568 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:16:07,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,569 INFO L168 Benchmark]: Boogie Preprocessor took 51.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,570 INFO L168 Benchmark]: RCFGBuilder took 214.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,570 INFO L168 Benchmark]: CodeCheck took 199.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:16:07,571 INFO L168 Benchmark]: Witness Printer took 34.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:16:07,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 24]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3-L5] struct dummy { int a, b; } global = {0, 1}; [L14] struct dummy *pd = &global; [L9] EXPR \read(*pb) [L9] *pa = *pb [L18] EXPR pd->a [L18] EXPR global.b VAL [global={3:0}] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * CodeCheck took 199.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Witness Printer took 34.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...