./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4892275a211cad54ffe3d940980c258aec58e47d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:10:09,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:10:09,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:10:09,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:10:09,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:10:09,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:10:09,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:10:09,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:10:09,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:10:09,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:10:09,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:10:09,284 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:10:09,285 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:10:09,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:10:09,296 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:10:09,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:10:09,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:10:09,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:10:09,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:10:09,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:10:09,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:10:09,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:10:09,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:10:09,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:10:09,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:10:09,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:10:09,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:10:09,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:10:09,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:10:09,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:10:09,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:10:09,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:10:09,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:10:09,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:10:09,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:10:09,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:10:09,337 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:10:09,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:10:09,367 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:10:09,368 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:10:09,372 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:10:09,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:10:09,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:10:09,373 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:10:09,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:10:09,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:10:09,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:10:09,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:10:09,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:10:09,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:10:09,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:10:09,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:10:09,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:10:09,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:10:09,378 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:10:09,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:10:09,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:10:09,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:10:09,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:10:09,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:10:09,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:10:09,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:10:09,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:10:09,382 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:10:09,382 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:10:09,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:10:09,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:10:09,383 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 4892275a211cad54ffe3d940980c258aec58e47d [2018-11-28 16:10:09,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:10:09,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:10:09,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:10:09,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:10:09,458 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:10:09,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 16:10:09,527 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637ec8618/07e1503405d34de283cbb80079b76191/FLAG147b2413f [2018-11-28 16:10:10,000 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:10:10,001 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 16:10:10,014 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637ec8618/07e1503405d34de283cbb80079b76191/FLAG147b2413f [2018-11-28 16:10:10,364 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637ec8618/07e1503405d34de283cbb80079b76191 [2018-11-28 16:10:10,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:10:10,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:10:10,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:10:10,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:10:10,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:10:10,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f203e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10, skipping insertion in model container [2018-11-28 16:10:10,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:10:10,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:10:10,694 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:10:10,700 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:10:10,754 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:10:10,783 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:10:10,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10 WrapperNode [2018-11-28 16:10:10,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:10:10,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:10:10,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:10:10,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:10:10,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:10:10,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:10:10,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:10:10,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:10:10,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... [2018-11-28 16:10:10,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:10:10,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:10:10,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:10:10,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:10:10,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 16:10:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:10:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:10:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:10:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:10:11,694 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:10:11,694 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:10:11,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:11 BoogieIcfgContainer [2018-11-28 16:10:11,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:10:11,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:10:11,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:10:11,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:10:11,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:10:10" (1/3) ... [2018-11-28 16:10:11,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461fc1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:10:11, skipping insertion in model container [2018-11-28 16:10:11,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:10:10" (2/3) ... [2018-11-28 16:10:11,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461fc1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:10:11, skipping insertion in model container [2018-11-28 16:10:11,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:11" (3/3) ... [2018-11-28 16:10:11,703 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-11-28 16:10:11,714 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:10:11,723 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:10:11,742 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:10:11,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:10:11,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:10:11,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:10:11,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:10:11,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:10:11,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:10:11,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:10:11,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:10:11,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:10:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-11-28 16:10:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 16:10:11,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:10:11,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:10:11,811 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:10:11,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:10:11,818 INFO L82 PathProgramCache]: Analyzing trace with hash -563352914, now seen corresponding path program 1 times [2018-11-28 16:10:11,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:10:11,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:10:11,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:11,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:10:11,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:10:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:10:12,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:10:12,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:10:12,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:10:12,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:10:12,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,110 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2018-11-28 16:10:12,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:10:12,234 INFO L93 Difference]: Finished difference Result 164 states and 305 transitions. [2018-11-28 16:10:12,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:10:12,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 16:10:12,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:10:12,250 INFO L225 Difference]: With dead ends: 164 [2018-11-28 16:10:12,250 INFO L226 Difference]: Without dead ends: 102 [2018-11-28 16:10:12,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-28 16:10:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2018-11-28 16:10:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-28 16:10:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 186 transitions. [2018-11-28 16:10:12,318 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 186 transitions. Word has length 25 [2018-11-28 16:10:12,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:10:12,319 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 186 transitions. [2018-11-28 16:10:12,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:10:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2018-11-28 16:10:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 16:10:12,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:10:12,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:10:12,321 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:10:12,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:10:12,321 INFO L82 PathProgramCache]: Analyzing trace with hash -563360106, now seen corresponding path program 1 times [2018-11-28 16:10:12,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:10:12,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:10:12,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:10:12,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:10:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:10:12,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:10:12,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:10:12,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:10:12,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:10:12,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,424 INFO L87 Difference]: Start difference. First operand 100 states and 186 transitions. Second operand 3 states. [2018-11-28 16:10:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:10:12,475 INFO L93 Difference]: Finished difference Result 103 states and 189 transitions. [2018-11-28 16:10:12,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:10:12,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 16:10:12,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:10:12,478 INFO L225 Difference]: With dead ends: 103 [2018-11-28 16:10:12,478 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 16:10:12,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 16:10:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 16:10:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 16:10:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 187 transitions. [2018-11-28 16:10:12,494 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 187 transitions. Word has length 25 [2018-11-28 16:10:12,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:10:12,495 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 187 transitions. [2018-11-28 16:10:12,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:10:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2018-11-28 16:10:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 16:10:12,496 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:10:12,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:10:12,497 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:10:12,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:10:12,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1737469676, now seen corresponding path program 1 times [2018-11-28 16:10:12,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:10:12,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:10:12,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:10:12,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:10:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:10:12,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:10:12,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:10:12,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:10:12,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:10:12,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,596 INFO L87 Difference]: Start difference. First operand 101 states and 187 transitions. Second operand 3 states. [2018-11-28 16:10:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:10:12,649 INFO L93 Difference]: Finished difference Result 236 states and 440 transitions. [2018-11-28 16:10:12,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:10:12,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 16:10:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:10:12,656 INFO L225 Difference]: With dead ends: 236 [2018-11-28 16:10:12,658 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 16:10:12,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 16:10:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2018-11-28 16:10:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 16:10:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 253 transitions. [2018-11-28 16:10:12,677 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 253 transitions. Word has length 25 [2018-11-28 16:10:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:10:12,678 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 253 transitions. [2018-11-28 16:10:12,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:10:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2018-11-28 16:10:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 16:10:12,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:10:12,680 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:10:12,681 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:10:12,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:10:12,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1737462484, now seen corresponding path program 1 times [2018-11-28 16:10:12,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:10:12,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:10:12,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:10:12,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:10:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:10:12,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:10:12,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:10:12,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:10:12,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:10:12,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,741 INFO L87 Difference]: Start difference. First operand 138 states and 253 transitions. Second operand 3 states. [2018-11-28 16:10:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:10:12,788 INFO L93 Difference]: Finished difference Result 190 states and 344 transitions. [2018-11-28 16:10:12,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:10:12,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-28 16:10:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:10:12,790 INFO L225 Difference]: With dead ends: 190 [2018-11-28 16:10:12,790 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 16:10:12,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:10:12,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 16:10:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2018-11-28 16:10:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 16:10:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 246 transitions. [2018-11-28 16:10:12,804 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 246 transitions. Word has length 25 [2018-11-28 16:10:12,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:10:12,805 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 246 transitions. [2018-11-28 16:10:12,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:10:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2018-11-28 16:10:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 16:10:12,806 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:10:12,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:10:12,807 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:10:12,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:10:12,807 INFO L82 PathProgramCache]: Analyzing trace with hash 149121774, now seen corresponding path program 1 times [2018-11-28 16:10:12,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:10:12,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:10:12,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:10:12,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:10:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:10:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:10:12,907 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 16:10:12,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:10:12 BoogieIcfgContainer [2018-11-28 16:10:12,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:10:12,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:10:12,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:10:12,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:10:12,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:10:11" (3/4) ... [2018-11-28 16:10:12,987 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 16:10:13,096 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:10:13,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:10:13,100 INFO L168 Benchmark]: Toolchain (without parser) took 2732.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -72.9 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,102 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:10:13,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.45 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,104 INFO L168 Benchmark]: Boogie Preprocessor took 58.89 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:10:13,104 INFO L168 Benchmark]: RCFGBuilder took 818.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,105 INFO L168 Benchmark]: TraceAbstraction took 1285.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,106 INFO L168 Benchmark]: Witness Printer took 113.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:10:13,110 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.85 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 32.45 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.89 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1285.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * Witness Printer took 113.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L91] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L95] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L99] COND TRUE p3 != 0 [L100] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L103] COND TRUE p4 != 0 [L104] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L107] COND TRUE p5 != 0 [L108] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L111] COND TRUE p6 != 0 [L112] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L115] COND TRUE p7 != 0 [L116] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L119] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L123] COND TRUE p9 != 0 [L124] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L127] COND TRUE p10 != 0 [L128] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L131] COND TRUE p11 != 0 [L132] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L135] COND TRUE p12 != 0 [L136] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L139] COND TRUE p13 != 0 [L140] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L143] COND TRUE p14 != 0 [L144] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L147] COND TRUE p15 != 0 [L148] lk15 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L153] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L158] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L231] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 488 SDtfs, 243 SDslu, 321 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...