./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/locks/test_locks_14-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c4a63b42b00dbfea9a5b040626d99ec84a4e61b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memtrack) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:46:16,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:46:16,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:46:16,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:46:16,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:46:16,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:46:16,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:46:16,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:46:16,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:46:16,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:46:16,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:46:16,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:46:16,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:46:16,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:46:16,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:46:16,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:46:16,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:46:16,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:46:16,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:46:16,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:46:16,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:46:16,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:46:16,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:46:16,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:46:16,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:46:16,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:46:16,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:46:16,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:46:16,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:46:16,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:46:16,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:46:16,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:46:16,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:46:16,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:46:16,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:46:16,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:46:16,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:46:16,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:46:16,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:46:16,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:46:16,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:46:16,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:46:16,443 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:46:16,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:46:16,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:46:16,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:46:16,445 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:46:16,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:46:16,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:46:16,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:46:16,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:46:16,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:46:16,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:46:16,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:46:16,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:46:16,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:46:16,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:46:16,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:46:16,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:46:16,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:46:16,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:46:16,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:46:16,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:46:16,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:46:16,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:46:16,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:46:16,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:46:16,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:46:16,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:46:16,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4c4a63b42b00dbfea9a5b040626d99ec84a4e61b [2019-11-28 02:46:16,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:46:16,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:46:16,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:46:16,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:46:16,807 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:46:16,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_14-2.c [2019-11-28 02:46:16,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05e04674/a565bd69dcd64c8d8c36c035359b602f/FLAGd6173e67d [2019-11-28 02:46:17,306 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:46:17,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_14-2.c [2019-11-28 02:46:17,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05e04674/a565bd69dcd64c8d8c36c035359b602f/FLAGd6173e67d [2019-11-28 02:46:17,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05e04674/a565bd69dcd64c8d8c36c035359b602f [2019-11-28 02:46:17,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:46:17,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:46:17,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:17,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:46:17,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:46:17,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:17" (1/1) ... [2019-11-28 02:46:17,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17, skipping insertion in model container [2019-11-28 02:46:17,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:17" (1/1) ... [2019-11-28 02:46:17,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:46:17,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:46:17,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:17,913 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:46:17,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:18,023 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:46:18,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18 WrapperNode [2019-11-28 02:46:18,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:18,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:46:18,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:46:18,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:46:18,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:46:18,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:46:18,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:46:18,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:46:18,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (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 [2019-11-28 02:46:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:46:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:46:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:46:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:46:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:46:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:46:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:46:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:46:18,559 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:46:18,559 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:46:18,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:18 BoogieIcfgContainer [2019-11-28 02:46:18,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:46:18,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:46:18,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:46:18,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:46:18,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:17" (1/3) ... [2019-11-28 02:46:18,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413756c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:18, skipping insertion in model container [2019-11-28 02:46:18,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18" (2/3) ... [2019-11-28 02:46:18,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413756c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:18, skipping insertion in model container [2019-11-28 02:46:18,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:18" (3/3) ... [2019-11-28 02:46:18,569 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2019-11-28 02:46:18,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:46:18,582 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 02:46:18,591 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 02:46:18,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:46:18,611 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:46:18,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:46:18,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:46:18,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:46:18,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:46:18,612 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:46:18,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:46:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-11-28 02:46:18,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:18,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:18,642 INFO L410 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] [2019-11-28 02:46:18,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:18,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1694527455, now seen corresponding path program 1 times [2019-11-28 02:46:18,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:18,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096221342] [2019-11-28 02:46:18,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:18,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096221342] [2019-11-28 02:46:18,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:18,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:18,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216686788] [2019-11-28 02:46:18,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:18,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:18,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:18,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:18,882 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-11-28 02:46:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:18,946 INFO L93 Difference]: Finished difference Result 104 states and 184 transitions. [2019-11-28 02:46:18,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:18,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 02:46:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:18,972 INFO L225 Difference]: With dead ends: 104 [2019-11-28 02:46:18,972 INFO L226 Difference]: Without dead ends: 96 [2019-11-28 02:46:18,976 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-28 02:46:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2019-11-28 02:46:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-28 02:46:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 174 transitions. [2019-11-28 02:46:19,064 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 174 transitions. Word has length 24 [2019-11-28 02:46:19,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:19,065 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 174 transitions. [2019-11-28 02:46:19,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2019-11-28 02:46:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:19,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:19,068 INFO L410 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] [2019-11-28 02:46:19,069 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:19,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1694520263, now seen corresponding path program 1 times [2019-11-28 02:46:19,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:19,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117954390] [2019-11-28 02:46:19,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:19,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117954390] [2019-11-28 02:46:19,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:19,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:19,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906161532] [2019-11-28 02:46:19,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:19,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:19,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:19,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,217 INFO L87 Difference]: Start difference. First operand 94 states and 174 transitions. Second operand 3 states. [2019-11-28 02:46:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:19,254 INFO L93 Difference]: Finished difference Result 95 states and 175 transitions. [2019-11-28 02:46:19,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:19,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 02:46:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:19,263 INFO L225 Difference]: With dead ends: 95 [2019-11-28 02:46:19,264 INFO L226 Difference]: Without dead ends: 95 [2019-11-28 02:46:19,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-28 02:46:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-28 02:46:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-28 02:46:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 175 transitions. [2019-11-28 02:46:19,285 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 175 transitions. Word has length 24 [2019-11-28 02:46:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:19,285 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 175 transitions. [2019-11-28 02:46:19,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2019-11-28 02:46:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:19,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:19,288 INFO L410 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] [2019-11-28 02:46:19,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:19,289 INFO L82 PathProgramCache]: Analyzing trace with hash 106179553, now seen corresponding path program 1 times [2019-11-28 02:46:19,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:19,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936013630] [2019-11-28 02:46:19,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:19,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936013630] [2019-11-28 02:46:19,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:19,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:19,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8568055] [2019-11-28 02:46:19,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:19,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:19,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:19,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,389 INFO L87 Difference]: Start difference. First operand 95 states and 175 transitions. Second operand 3 states. [2019-11-28 02:46:19,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:19,419 INFO L93 Difference]: Finished difference Result 132 states and 238 transitions. [2019-11-28 02:46:19,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:19,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 02:46:19,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:19,422 INFO L225 Difference]: With dead ends: 132 [2019-11-28 02:46:19,422 INFO L226 Difference]: Without dead ends: 132 [2019-11-28 02:46:19,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-28 02:46:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2019-11-28 02:46:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-28 02:46:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 237 transitions. [2019-11-28 02:46:19,434 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 237 transitions. Word has length 24 [2019-11-28 02:46:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:19,435 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 237 transitions. [2019-11-28 02:46:19,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2019-11-28 02:46:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:19,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:19,441 INFO L410 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] [2019-11-28 02:46:19,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:19,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:19,442 INFO L82 PathProgramCache]: Analyzing trace with hash 106172361, now seen corresponding path program 1 times [2019-11-28 02:46:19,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:19,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131195330] [2019-11-28 02:46:19,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:19,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131195330] [2019-11-28 02:46:19,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:19,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:19,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478266055] [2019-11-28 02:46:19,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:19,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:19,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,494 INFO L87 Difference]: Start difference. First operand 130 states and 237 transitions. Second operand 3 states. [2019-11-28 02:46:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:19,526 INFO L93 Difference]: Finished difference Result 130 states and 231 transitions. [2019-11-28 02:46:19,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:19,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 02:46:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:19,529 INFO L225 Difference]: With dead ends: 130 [2019-11-28 02:46:19,529 INFO L226 Difference]: Without dead ends: 130 [2019-11-28 02:46:19,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-28 02:46:19,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-11-28 02:46:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 02:46:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 230 transitions. [2019-11-28 02:46:19,550 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 230 transitions. Word has length 24 [2019-11-28 02:46:19,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:19,550 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 230 transitions. [2019-11-28 02:46:19,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2019-11-28 02:46:19,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:19,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:19,553 INFO L410 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] [2019-11-28 02:46:19,553 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:19,553 INFO L82 PathProgramCache]: Analyzing trace with hash -914888801, now seen corresponding path program 1 times [2019-11-28 02:46:19,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:19,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367190450] [2019-11-28 02:46:19,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:19,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:46:19,655 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:46:19,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:19 BoogieIcfgContainer [2019-11-28 02:46:19,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:46:19,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:46:19,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:46:19,720 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:46:19,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:18" (3/4) ... [2019-11-28 02:46:19,723 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:46:19,820 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:46:19,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:46:19,823 INFO L168 Benchmark]: Toolchain (without parser) took 2163.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -80.7 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:19,824 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:46:19,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:19,825 INFO L168 Benchmark]: Boogie Preprocessor took 59.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:19,826 INFO L168 Benchmark]: RCFGBuilder took 476.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:19,826 INFO L168 Benchmark]: TraceAbstraction took 1157.32 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. [2019-11-28 02:46:19,827 INFO L168 Benchmark]: Witness Printer took 101.04 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:19,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 476.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1157.32 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 101.04 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 217]: not all allocated memory was freed not all allocated memory was freed 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; [L49] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L51] COND TRUE 1 [L52] cond = __VERIFIER_nondet_int() [L53] COND FALSE !(cond == 0) [L56] lk1 = 0 [L58] lk2 = 0 [L60] lk3 = 0 [L62] lk4 = 0 [L64] lk5 = 0 [L66] lk6 = 0 [L68] lk7 = 0 [L70] lk8 = 0 [L72] lk9 = 0 [L74] lk10 = 0 [L76] lk11 = 0 [L78] lk12 = 0 [L80] lk13 = 0 [L82] lk14 = 0 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L86] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L90] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L94] COND TRUE p3 != 0 [L95] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L98] COND TRUE p4 != 0 [L99] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L102] COND TRUE p5 != 0 [L103] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L106] COND TRUE p6 != 0 [L107] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L110] COND TRUE p7 != 0 [L111] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L114] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L118] COND TRUE p9 != 0 [L119] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L122] COND TRUE p10 != 0 [L123] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L126] COND TRUE p11 != 0 [L127] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L130] COND TRUE p12 != 0 [L131] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L134] COND TRUE p13 != 0 [L135] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L138] COND TRUE p14 != 0 [L139] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L144] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L149] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=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, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L217] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=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, 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, 56 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 458 SDtfs, 227 SDslu, 301 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 5382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...