./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/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 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 0.1.23-1dbac8b [2018-10-26 19:13:57,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:13:57,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:13:57,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:13:57,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:13:57,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:13:57,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:13:57,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:13:57,468 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:13:57,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:13:57,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:13:57,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:13:57,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:13:57,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:13:57,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:13:57,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:13:57,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:13:57,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:13:57,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:13:57,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:13:57,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:13:57,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:13:57,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:13:57,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:13:57,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:13:57,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:13:57,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:13:57,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:13:57,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:13:57,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:13:57,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:13:57,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:13:57,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:13:57,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:13:57,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:13:57,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:13:57,504 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 19:13:57,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:13:57,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:13:57,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:13:57,528 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:13:57,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:13:57,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:13:57,529 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:13:57,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:13:57,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:13:57,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:13:57,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:13:57,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:13:57,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:13:57,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:13:57,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:13:57,531 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:13:57,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:13:57,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:13:57,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:13:57,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:13:57,534 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:13:57,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:13:57,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:13:57,534 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_e6b14391-59d5-405a-9290-e64798481067/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 -> 4892275a211cad54ffe3d940980c258aec58e47d [2018-10-26 19:13:57,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:13:57,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:13:57,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:13:57,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:13:57,590 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:13:57,591 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/../../sv-benchmarks/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 19:13:57,644 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/data/00fb21bf6/9e965ccc50a944bc84b35d70d2b33066/FLAG16bd61fa4 [2018-10-26 19:13:58,063 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:13:58,064 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/sv-benchmarks/c/locks/test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 19:13:58,073 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/data/00fb21bf6/9e965ccc50a944bc84b35d70d2b33066/FLAG16bd61fa4 [2018-10-26 19:13:58,087 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/data/00fb21bf6/9e965ccc50a944bc84b35d70d2b33066 [2018-10-26 19:13:58,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:13:58,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:13:58,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:13:58,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:13:58,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:13:58,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9842d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58, skipping insertion in model container [2018-10-26 19:13:58,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:13:58,137 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:13:58,310 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:13:58,314 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:13:58,345 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:13:58,360 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:13:58,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58 WrapperNode [2018-10-26 19:13:58,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:13:58,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:13:58,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:13:58,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:13:58,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... [2018-10-26 19:13:58,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:13:58,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:13:58,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:13:58,416 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:13:58,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/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 [2018-10-26 19:13:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:13:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:13:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:13:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 19:13:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 19:13:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:13:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:13:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:13:59,268 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:13:59,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:13:59 BoogieIcfgContainer [2018-10-26 19:13:59,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:13:59,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:13:59,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:13:59,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:13:59,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:13:58" (1/3) ... [2018-10-26 19:13:59,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1eff08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:13:59, skipping insertion in model container [2018-10-26 19:13:59,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:13:58" (2/3) ... [2018-10-26 19:13:59,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1eff08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:13:59, skipping insertion in model container [2018-10-26 19:13:59,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:13:59" (3/3) ... [2018-10-26 19:13:59,277 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_15_false-unreach-call_true-valid-memsafety_false-termination.c [2018-10-26 19:13:59,288 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:13:59,297 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:13:59,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:13:59,348 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:13:59,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:13:59,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:13:59,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:13:59,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:13:59,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:13:59,349 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:13:59,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:13:59,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:13:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-10-26 19:13:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:13:59,376 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:13:59,377 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:13:59,379 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:13:59,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:13:59,386 INFO L82 PathProgramCache]: Analyzing trace with hash -26794943, now seen corresponding path program 1 times [2018-10-26 19:13:59,388 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:13:59,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:13:59,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:13:59,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:13:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:13:59,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:13:59,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:13:59,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:13:59,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:13:59,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:13:59,679 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 3 states. [2018-10-26 19:13:59,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:13:59,795 INFO L93 Difference]: Finished difference Result 119 states and 212 transitions. [2018-10-26 19:13:59,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:13:59,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 19:13:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:13:59,811 INFO L225 Difference]: With dead ends: 119 [2018-10-26 19:13:59,811 INFO L226 Difference]: Without dead ends: 104 [2018-10-26 19:13:59,815 INFO L605 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 [2018-10-26 19:13:59,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-10-26 19:13:59,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 71. [2018-10-26 19:13:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-10-26 19:13:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 130 transitions. [2018-10-26 19:13:59,866 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 130 transitions. Word has length 26 [2018-10-26 19:13:59,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:13:59,866 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 130 transitions. [2018-10-26 19:13:59,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:13:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 130 transitions. [2018-10-26 19:13:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:13:59,869 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:13:59,869 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:13:59,869 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:13:59,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:13:59,870 INFO L82 PathProgramCache]: Analyzing trace with hash -26787751, now seen corresponding path program 1 times [2018-10-26 19:13:59,870 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:13:59,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:13:59,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:13:59,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:13:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:13:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:13:59,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:13:59,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:13:59,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:13:59,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:13:59,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:13:59,972 INFO L87 Difference]: Start difference. First operand 71 states and 130 transitions. Second operand 3 states. [2018-10-26 19:14:00,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:00,028 INFO L93 Difference]: Finished difference Result 171 states and 317 transitions. [2018-10-26 19:14:00,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:14:00,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 19:14:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:00,034 INFO L225 Difference]: With dead ends: 171 [2018-10-26 19:14:00,034 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 19:14:00,039 INFO L605 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 [2018-10-26 19:14:00,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 19:14:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-10-26 19:14:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 19:14:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 189 transitions. [2018-10-26 19:14:00,062 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 189 transitions. Word has length 26 [2018-10-26 19:14:00,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:00,063 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 189 transitions. [2018-10-26 19:14:00,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:14:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 189 transitions. [2018-10-26 19:14:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:14:00,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:00,069 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:14:00,069 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:00,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:00,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2020939649, now seen corresponding path program 1 times [2018-10-26 19:14:00,070 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:00,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:00,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:00,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:14:00,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:14:00,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:14:00,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:14:00,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:14:00,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:14:00,215 INFO L87 Difference]: Start difference. First operand 103 states and 189 transitions. Second operand 3 states. [2018-10-26 19:14:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:00,244 INFO L93 Difference]: Finished difference Result 159 states and 286 transitions. [2018-10-26 19:14:00,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:14:00,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 19:14:00,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:00,247 INFO L225 Difference]: With dead ends: 159 [2018-10-26 19:14:00,247 INFO L226 Difference]: Without dead ends: 108 [2018-10-26 19:14:00,250 INFO L605 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 [2018-10-26 19:14:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-26 19:14:00,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2018-10-26 19:14:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 19:14:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 190 transitions. [2018-10-26 19:14:00,261 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 190 transitions. Word has length 26 [2018-10-26 19:14:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:00,262 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 190 transitions. [2018-10-26 19:14:00,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:14:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 190 transitions. [2018-10-26 19:14:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:14:00,263 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:00,263 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:14:00,263 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:00,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:00,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2020932457, now seen corresponding path program 1 times [2018-10-26 19:14:00,265 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:00,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:00,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:00,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:14:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:14:00,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:14:00,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:14:00,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:14:00,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:14:00,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:14:00,343 INFO L87 Difference]: Start difference. First operand 106 states and 190 transitions. Second operand 3 states. [2018-10-26 19:14:00,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:14:00,434 INFO L93 Difference]: Finished difference Result 238 states and 434 transitions. [2018-10-26 19:14:00,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:14:00,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 19:14:00,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:14:00,436 INFO L225 Difference]: With dead ends: 238 [2018-10-26 19:14:00,436 INFO L226 Difference]: Without dead ends: 141 [2018-10-26 19:14:00,437 INFO L605 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 [2018-10-26 19:14:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-26 19:14:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-10-26 19:14:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-26 19:14:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 249 transitions. [2018-10-26 19:14:00,447 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 249 transitions. Word has length 26 [2018-10-26 19:14:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:14:00,452 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 249 transitions. [2018-10-26 19:14:00,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:14:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2018-10-26 19:14:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:14:00,454 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:14:00,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:14:00,454 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:14:00,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:14:00,454 INFO L82 PathProgramCache]: Analyzing trace with hash 685686937, now seen corresponding path program 1 times [2018-10-26 19:14:00,454 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:14:00,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:14:00,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:14:00,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:14:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:14:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:14:00,569 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:14:00,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:14:00 BoogieIcfgContainer [2018-10-26 19:14:00,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:14:00,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:14:00,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:14:00,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:14:00,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:13:59" (3/4) ... [2018-10-26 19:14:00,643 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 19:14:00,735 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6b14391-59d5-405a-9290-e64798481067/bin-2019/uautomizer/witness.graphml [2018-10-26 19:14:00,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:14:00,740 INFO L168 Benchmark]: Toolchain (without parser) took 2650.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -89.6 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:14:00,742 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:14:00,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.05 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:14:00,742 INFO L168 Benchmark]: Boogie Preprocessor took 53.56 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:14:00,743 INFO L168 Benchmark]: RCFGBuilder took 853.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:14:00,743 INFO L168 Benchmark]: TraceAbstraction took 1369.22 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:14:00,748 INFO L168 Benchmark]: Witness Printer took 100.00 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:14:00,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.05 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.56 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 853.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1369.22 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * Witness Printer took 100.00 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: 3.5 MB). Peak memory consumption was 3.5 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L107] COND FALSE !(p5 != 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=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L119] COND TRUE p8 != 0 [L120] lk8 = 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=1, lk7=1, lk8=1, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, 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=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L139] COND FALSE !(p13 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L143] COND TRUE p14 != 0 [L144] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L147] COND TRUE p15 != 0 [L148] lk15 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L153] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L158] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] [L231] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=0, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=0, p14=1, p15=3, p2=0, p3=1, p4=1, p5=0, p6=1, p7=1, p8=1, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 498 SDtfs, 305 SDslu, 324 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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=139occurred in iteration=4, 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, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 6300 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...