./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i --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_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/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 9bb3ecce8212cfd5509d99ad6349aec861975be9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-22 23:17:37,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:17:37,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:17:37,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:17:37,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:17:37,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:17:37,928 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:17:37,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:17:37,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:17:37,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:17:37,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:17:37,932 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:17:37,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:17:37,933 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:17:37,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:17:37,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:17:37,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:17:37,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:17:37,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:17:37,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:17:37,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:17:37,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:17:37,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:17:37,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:17:37,941 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:17:37,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:17:37,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:17:37,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:17:37,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:17:37,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:17:37,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:17:37,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:17:37,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:17:37,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:17:37,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:17:37,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:17:37,944 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 23:17:37,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:17:37,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:17:37,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:17:37,952 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:17:37,953 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:17:37,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:17:37,953 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:17:37,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:17:37,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:17:37,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:17:37,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:17:37,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:17:37,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:17:37,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:17:37,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:17:37,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:17:37,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:17:37,956 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:17:37,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:17:37,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:17:37,956 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_758badc4-d42a-4ec5-b137-ab66f8bce7d1/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 -> 9bb3ecce8212cfd5509d99ad6349aec861975be9 [2018-11-22 23:17:37,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:17:37,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:17:37,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:17:37,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:17:37,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:17:37,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-22 23:17:38,030 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/data/17af9c58a/dfaf4daf60d44947b3908b34edbc7677/FLAG571f775b9 [2018-11-22 23:17:38,329 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:17:38,329 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-22 23:17:38,334 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/data/17af9c58a/dfaf4daf60d44947b3908b34edbc7677/FLAG571f775b9 [2018-11-22 23:17:38,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/data/17af9c58a/dfaf4daf60d44947b3908b34edbc7677 [2018-11-22 23:17:38,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:17:38,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:17:38,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:38,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:17:38,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:17:38,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38, skipping insertion in model container [2018-11-22 23:17:38,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:17:38,371 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:17:38,474 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:38,477 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:17:38,485 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:38,493 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:17:38,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38 WrapperNode [2018-11-22 23:17:38,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:38,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:38,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:17:38,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:17:38,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:38,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:17:38,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:17:38,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:17:38,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... [2018-11-22 23:17:38,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:17:38,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:17:38,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:17:38,517 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:17:38,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/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 [2018-11-22 23:17:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:17:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:17:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:17:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:17:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:17:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:17:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-22 23:17:38,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-22 23:17:38,673 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:17:38,674 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:17:38,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:38 BoogieIcfgContainer [2018-11-22 23:17:38,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:17:38,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:17:38,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:17:38,677 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:17:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:17:38" (1/3) ... [2018-11-22 23:17:38,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12eac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:17:38, skipping insertion in model container [2018-11-22 23:17:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:38" (2/3) ... [2018-11-22 23:17:38,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b12eac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:17:38, skipping insertion in model container [2018-11-22 23:17:38,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:38" (3/3) ... [2018-11-22 23:17:38,680 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-22 23:17:38,686 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:17:38,690 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:17:38,701 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:17:38,726 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:17:38,727 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:17:38,727 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:17:38,727 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:17:38,727 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:17:38,727 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:17:38,727 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:17:38,727 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:17:38,727 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:17:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-22 23:17:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:17:38,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:38,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:17:38,744 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:38,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:38,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-11-22 23:17:38,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:38,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:38,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:38,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:38,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:38,827 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret0 := main(); [?] ~x~0 := 0;havoc ~N~0; VAL [main_~x~0=0] [?] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [main_~N~0=0, main_~x~0=0] [?] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3-L5] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3-L5] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-22 23:17:38,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:17:38 BoogieIcfgContainer [2018-11-22 23:17:38,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:17:38,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:17:38,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:17:38,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:17:38,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:38" (3/4) ... [2018-11-22 23:17:38,850 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret0 := main(); [?] ~x~0 := 0;havoc ~N~0; VAL [main_~x~0=0] [?] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [main_~N~0=0, main_~x~0=0] [?] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3-L5] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] assume !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296); VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3-L5] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L9] ~x~0 := 0; [L10] havoc ~N~0; VAL [~x~0=0] [L11-L13] COND TRUE !(~x~0 % 4294967296 < ~N~0 % 65536 % 4294967296) VAL [~N~0=0, ~x~0=0] [L14] CALL call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 <= 2147483647 then (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 else (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 % 4294967296 - 4294967296)); VAL [#in~cond=0] [L2-L7] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L3] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L4] assert false; VAL [#in~cond=0, ~cond=0] [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-22 23:17:38,877 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_758badc4-d42a-4ec5-b137-ab66f8bce7d1/bin-2019/uautomizer/witness.graphml [2018-11-22 23:17:38,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:17:38,878 INFO L168 Benchmark]: Toolchain (without parser) took 531.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:38,879 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:38,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:38,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.42 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:38,881 INFO L168 Benchmark]: Boogie Preprocessor took 11.28 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:38,882 INFO L168 Benchmark]: RCFGBuilder took 157.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:38,882 INFO L168 Benchmark]: TraceAbstraction took 172.85 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:38,883 INFO L168 Benchmark]: Witness Printer took 29.62 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. [2018-11-22 23:17:38,886 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 11.42 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.28 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 172.85 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 29.62 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.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] unsigned int x = 0; [L10] unsigned short N; VAL [x=0] [L11] COND FALSE !(x < N) VAL [N=0, x=0] [L14] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 10 NumberOfCodeBlocks, 10 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...