./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_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 04:01:01,594 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:01:01,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:01:01,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:01:01,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:01:01,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:01:01,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:01:01,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:01:01,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:01:01,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:01:01,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:01:01,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:01:01,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:01:01,610 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:01:01,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:01:01,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:01:01,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:01:01,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:01:01,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:01:01,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:01:01,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:01:01,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:01:01,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:01:01,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:01:01,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:01:01,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:01:01,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:01:01,622 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:01:01,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:01:01,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:01:01,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:01:01,625 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:01:01,625 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:01:01,625 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:01:01,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:01:01,626 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:01:01,627 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 04:01:01,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:01:01,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:01:01,638 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:01:01,639 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:01:01,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:01:01,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:01:01,639 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 04:01:01,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:01:01,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:01:01,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:01:01,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:01:01,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:01:01,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:01:01,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:01:01,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:01:01,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:01:01,643 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 04:01:01,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:01:01,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:01:01,643 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_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02278ee7d9986faf1ae0635ee11725f823e79f3 [2018-11-23 04:01:01,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:01:01,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:01:01,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:01:01,679 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:01:01,679 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:01:01,679 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c [2018-11-23 04:01:01,717 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/data/d7b8caecf/903c5c48e64b4978b947d794f8ab510d/FLAGc01f20a97 [2018-11-23 04:01:02,060 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:01:02,061 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/sv-benchmarks/c/ldv-regression/test26_false-unreach-call_true-termination.c [2018-11-23 04:01:02,065 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/data/d7b8caecf/903c5c48e64b4978b947d794f8ab510d/FLAGc01f20a97 [2018-11-23 04:01:02,482 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/data/d7b8caecf/903c5c48e64b4978b947d794f8ab510d [2018-11-23 04:01:02,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:01:02,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:01:02,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:01:02,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:01:02,489 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:01:02,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248de34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02, skipping insertion in model container [2018-11-23 04:01:02,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:01:02,515 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:01:02,632 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:01:02,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:01:02,649 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:01:02,659 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:01:02,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02 WrapperNode [2018-11-23 04:01:02,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:01:02,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:01:02,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:01:02,660 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:01:02,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:01:02,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:01:02,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:01:02,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:01:02,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... [2018-11-23 04:01:02,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:01:02,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:01:02,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:01:02,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:01:02,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:01:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:01:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:01:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:01:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:01:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:01:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:01:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:01:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:01:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:01:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:01:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-23 04:01:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-23 04:01:02,900 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:01:02,901 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 04:01:02,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02 BoogieIcfgContainer [2018-11-23 04:01:02,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:01:02,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:01:02,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:01:02,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:01:02,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:01:02" (1/3) ... [2018-11-23 04:01:02,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84b02d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:02, skipping insertion in model container [2018-11-23 04:01:02,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:02" (2/3) ... [2018-11-23 04:01:02,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84b02d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:02, skipping insertion in model container [2018-11-23 04:01:02,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02" (3/3) ... [2018-11-23 04:01:02,910 INFO L112 eAbstractionObserver]: Analyzing ICFG test26_false-unreach-call_true-termination.c [2018-11-23 04:01:02,920 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:01:02,928 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:01:02,943 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:01:02,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 04:01:02,973 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:01:02,973 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:01:02,974 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:01:02,974 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:01:02,974 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:01:02,974 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:01:02,974 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:01:02,974 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:01:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 04:01:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:01:02,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:01:02,997 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:01:02,999 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:01:03,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:01:03,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2018-11-23 04:01:03,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 04:01:03,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 04:01:03,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:01:03,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:01:03,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:01:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:01:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:01:03,129 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=13, |#NULL.offset|=10, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=9, |~#global~0.offset|=12] [?] #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); VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=11, |~#global~0.offset|=0] [?] RET #19#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call #t~ret3 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [|#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; VAL [assign_~pa.base=11, assign_~pa.offset=4, assign_~pb.base=11, assign_~pb.offset=4, |#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume true; VAL [assign_~pa.base=11, assign_~pa.offset=4, assign_~pb.base=11, assign_~pb.offset=4, |#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] RET #23#return; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4);call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~mem1|=0, |main_#t~mem2|=1, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume #t~mem1 != #t~mem2;havoc #t~mem1;havoc #t~mem2; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume !false; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=13, #NULL.offset=10, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=9, ~#global~0.offset=12] [?] #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); VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L14] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L16] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L7-L10] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; [L7-L10] ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; [L9] call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); [L9] call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); [L9] havoc #t~mem0; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L7-L10] ensures true; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L16] RET call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4); [L18] call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~mem1=0, #t~mem2=1, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18-L20] assume #t~mem1 != #t~mem2; [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=13, #NULL.offset=10, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=9, ~#global~0.offset=12] [?] #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); VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L14] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L16] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L7-L10] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; [L7-L10] ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; [L9] call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); [L9] call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); [L9] havoc #t~mem0; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L7-L10] ensures true; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L16] RET call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4); [L18] call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~mem1=0, #t~mem2=1, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18-L20] assume #t~mem1 != #t~mem2; [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] ----- [2018-11-23 04:01:03,156 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# [2018-11-23 04:01:03,156 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L3-L5] struct dummy { int a, b; } global = {0, 1}; VAL [\old(global)=null, \old(global)=null, global={11:0}] [L14] struct dummy *pd = &global; VAL [global={11:0}, pd={11:0}] [L16] CALL assign(&pd->b, &pd->b) VAL [global={11:0}, pa={11:4}, pb={11:4}] [L9] EXPR \read(*pb) [L9] *pa = *pb [L16] RET assign(&pd->b, &pd->b) VAL [global={11:0}, pd={11:0}] [L18] EXPR pd->a [L18] EXPR global.b VAL [global={11:0}, global.b=1, pd={11:0}, pd->a=0] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={11:0}, pd={11:0}] ----- [2018-11-23 04:01:03,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:01:03 BoogieIcfgContainer [2018-11-23 04:01:03,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:01:03,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:01:03,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:01:03,164 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:01:03,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02" (3/4) ... [2018-11-23 04:01:03,167 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=13, |#NULL.offset|=10, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=9, |~#global~0.offset|=12] [?] #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); VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=13, |old(#NULL.offset)|=10, |old(~#global~0.base)|=9, |old(~#global~0.offset)|=12, |~#global~0.base|=11, |~#global~0.offset|=0] [?] RET #19#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call #t~ret3 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [|#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; VAL [assign_~pa.base=11, assign_~pa.offset=4, assign_~pb.base=11, assign_~pb.offset=4, |#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume true; VAL [assign_~pa.base=11, assign_~pa.offset=4, assign_~pb.base=11, assign_~pb.offset=4, |#NULL.base|=0, |#NULL.offset|=0, |assign_#in~pa.base|=11, |assign_#in~pa.offset|=4, |assign_#in~pb.base|=11, |assign_#in~pb.offset|=4, |~#global~0.base|=11, |~#global~0.offset|=0] [?] RET #23#return; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4);call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~mem1|=0, |main_#t~mem2|=1, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume #t~mem1 != #t~mem2;havoc #t~mem1;havoc #t~mem2; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] assume !false; VAL [main_~pd~0.base=11, main_~pd~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |~#global~0.base|=11, |~#global~0.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=13, #NULL.offset=10, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=9, ~#global~0.offset=12] [?] #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); VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L14] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L16] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L7-L10] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; [L7-L10] ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; [L9] call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); [L9] call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); [L9] havoc #t~mem0; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L7-L10] ensures true; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L16] RET call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4); [L18] call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~mem1=0, #t~mem2=1, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18-L20] assume #t~mem1 != #t~mem2; [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=13, #NULL.offset=10, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=9, ~#global~0.offset=12] [?] #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); VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=13, old(#NULL.offset)=10, old(~#global~0.base)=9, old(~#global~0.offset)=12, ~#global~0.base=11, ~#global~0.offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L14] ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L16] CALL call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0] [L7-L10] ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; [L7-L10] ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; [L9] call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); [L9] call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); [L9] havoc #t~mem0; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L7-L10] ensures true; VAL [#in~pa.base=11, #in~pa.offset=4, #in~pb.base=11, #in~pb.offset=4, #NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pa.base=11, ~pa.offset=4, ~pb.base=11, ~pb.offset=4] [L16] RET call assign(~pd~0.base, 4 + ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18] call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4); [L18] call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~mem1=0, #t~mem2=1, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L18-L20] assume #t~mem1 != #t~mem2; [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [L24] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~#global~0.base=11, ~#global~0.offset=0, ~pd~0.base=11, ~pd~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] ----- [2018-11-23 04:01:03,177 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# [2018-11-23 04:01:03,177 WARN L1272 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=13, #NULL!offset=10, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=9, ~#global~0!offset=12] [?] #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); VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=13, old(#NULL!offset)=10, old(~#global~0!base)=9, old(~#global~0!offset)=12, ~#global~0!base=11, ~#global~0!offset=0] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [?] CALL call #t~ret3 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0] [L14] ~pd~0 := ~#global~0; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L16] CALL call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=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; VAL [#in~pa!base=11, #in~pa!offset=4, #in~pb!base=11, #in~pb!offset=4, #NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pa!base=11, ~pa!offset=4, ~pb!base=11, ~pb!offset=4] [L16] RET call assign({ base: ~pd~0!base, offset: 4 + ~pd~0!offset }, { base: ~pd~0!base, offset: 4 + ~pd~0!offset }); VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [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, #t~mem1=0, #t~mem2=1, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L18] COND TRUE #t~mem1 != #t~mem2 [L18] havoc #t~mem1; [L18] havoc #t~mem2; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L24] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~#global~0!base=11, ~#global~0!offset=0, ~pd~0!base=11, ~pd~0!offset=0] [L3-L5] struct dummy { int a, b; } global = {0, 1}; VAL [\old(global)=null, \old(global)=null, global={11:0}] [L14] struct dummy *pd = &global; VAL [global={11:0}, pd={11:0}] [L16] CALL assign(&pd->b, &pd->b) VAL [global={11:0}, pa={11:4}, pb={11:4}] [L9] EXPR \read(*pb) [L9] *pa = *pb [L16] RET assign(&pd->b, &pd->b) VAL [global={11:0}, pd={11:0}] [L18] EXPR pd->a [L18] EXPR global.b VAL [global={11:0}, global.b=1, pd={11:0}, pd->a=0] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={11:0}, pd={11:0}] ----- [2018-11-23 04:01:03,217 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50ecf5a8-fded-4cc0-b422-c7e256852b38/bin-2019/uautomizer/witness.graphml [2018-11-23 04:01:03,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:01:03,218 INFO L168 Benchmark]: Toolchain (without parser) took 732.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:01:03,219 INFO L168 Benchmark]: CDTParser took 0.11 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 04:01:03,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:01:03,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:01:03,221 INFO L168 Benchmark]: Boogie Preprocessor took 15.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:01:03,221 INFO L168 Benchmark]: RCFGBuilder took 207.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:01:03,222 INFO L168 Benchmark]: TraceAbstraction took 261.80 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:01:03,222 INFO L168 Benchmark]: Witness Printer took 53.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:01:03,226 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 173.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 17.64 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 207.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261.80 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~dummy?a~INT?b~INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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}; VAL [\old(global)=null, \old(global)=null, global={11:0}] [L14] struct dummy *pd = &global; VAL [global={11:0}, pd={11:0}] [L16] CALL assign(&pd->b, &pd->b) VAL [global={11:0}, pa={11:4}, pb={11:4}] [L9] EXPR \read(*pb) [L9] *pa = *pb [L16] RET assign(&pd->b, &pd->b) VAL [global={11:0}, pd={11:0}] [L18] EXPR pd->a [L18] EXPR global.b VAL [global={11:0}, global.b=1, pd={11:0}, pd->a=0] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={11:0}, pd={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, 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: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...