./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/locks/test_locks_15-1.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_15-1.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 4892275a211cad54ffe3d940980c258aec58e47d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:46:17,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:46:17,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:46:17,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:46:17,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:46:17,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:46:17,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:46:17,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:46:17,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:46:17,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:46:17,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:46:17,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:46:17,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:46:17,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:46:17,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:46:17,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:46:17,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:46:17,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:46:17,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:46:17,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:46:17,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:46:17,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:46:17,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:46:17,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:46:17,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:46:17,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:46:17,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:46:17,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:46:17,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:46:17,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:46:17,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:46:17,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:46:17,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:46:17,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:46:17,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:46:17,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:46:17,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:46:17,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:46:17,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:46:17,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:46:17,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:46:17,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:46:17,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:46:17,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:46:17,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:46:17,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:46:17,278 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:46:17,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:46:17,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:46:17,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:46:17,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:46:17,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:46:17,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:46:17,281 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:46:17,281 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:46:17,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:46:17,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:46:17,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:46:17,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:46:17,284 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:46:17,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:46:17,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:46:17,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:46:17,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:46:17,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:46:17,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:46:17,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:46:17,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:46:17,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:46:17,287 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 -> 4892275a211cad54ffe3d940980c258aec58e47d [2019-11-28 02:46:17,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:46:17,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:46:17,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:46:17,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:46:17,650 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:46:17,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_15-1.c [2019-11-28 02:46:17,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda7c334c/82e5551419914ecb93c681c2c27544ed/FLAG622313bac [2019-11-28 02:46:18,188 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:46:18,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-1.c [2019-11-28 02:46:18,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda7c334c/82e5551419914ecb93c681c2c27544ed/FLAG622313bac [2019-11-28 02:46:18,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda7c334c/82e5551419914ecb93c681c2c27544ed [2019-11-28 02:46:18,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:46:18,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:46:18,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:18,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:46:18,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:46:18,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa7b196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18, skipping insertion in model container [2019-11-28 02:46:18,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:18" (1/1) ... [2019-11-28 02:46:18,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:46:18,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:46:18,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:18,910 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:46:18,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:18,969 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:46:18,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18 WrapperNode [2019-11-28 02:46:18,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:18,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:46:18,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:46:18,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:46:19,039 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 02:46:19,039 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 02:46:19,060 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 02:46:19,061 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 02:46:19,071 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 02:46:19,083 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 02:46:19,085 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 02:46:19,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:46:19,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:46:19,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:46:19,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:46:19,093 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 02:46:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:46:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:46:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:46:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:46:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:46:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:46:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:46:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:46:19,547 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:46:19,547 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:46:19,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19 BoogieIcfgContainer [2019-11-28 02:46:19,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:46:19,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:46:19,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:46:19,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:46:19,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:18" (1/3) ... [2019-11-28 02:46:19,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40af5821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:19, skipping insertion in model container [2019-11-28 02:46:19,554 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 02:46:19,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40af5821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:19, skipping insertion in model container [2019-11-28 02:46:19,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19" (3/3) ... [2019-11-28 02:46:19,556 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2019-11-28 02:46:19,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:46:19,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 02:46:19,582 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 02:46:19,606 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:46:19,607 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:46:19,607 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:46:19,607 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:46:19,607 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:46:19,608 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:46:19,608 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:46:19,608 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:46:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-28 02:46:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:19,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:19,634 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, 1] [2019-11-28 02:46:19,635 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:19,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:19,641 INFO L82 PathProgramCache]: Analyzing trace with hash -563352914, now seen corresponding path program 1 times [2019-11-28 02:46:19,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:19,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335731895] [2019-11-28 02:46:19,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:19,861 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 02:46:19,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335731895] [2019-11-28 02:46:19,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:19,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:19,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077696094] [2019-11-28 02:46:19,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:19,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:19,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:19,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:19,887 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2019-11-28 02:46:19,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:19,967 INFO L93 Difference]: Finished difference Result 110 states and 196 transitions. [2019-11-28 02:46:19,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:19,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 02:46:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:19,985 INFO L225 Difference]: With dead ends: 110 [2019-11-28 02:46:19,985 INFO L226 Difference]: Without dead ends: 102 [2019-11-28 02:46:19,988 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 02:46:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-28 02:46:20,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2019-11-28 02:46:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-28 02:46:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 186 transitions. [2019-11-28 02:46:20,043 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 186 transitions. Word has length 25 [2019-11-28 02:46:20,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:20,045 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 186 transitions. [2019-11-28 02:46:20,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2019-11-28 02:46:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:20,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:20,048 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, 1] [2019-11-28 02:46:20,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:20,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:20,050 INFO L82 PathProgramCache]: Analyzing trace with hash -563360106, now seen corresponding path program 1 times [2019-11-28 02:46:20,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:20,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888843751] [2019-11-28 02:46:20,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,156 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 02:46:20,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888843751] [2019-11-28 02:46:20,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:20,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:20,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030259096] [2019-11-28 02:46:20,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:20,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:20,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:20,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:20,162 INFO L87 Difference]: Start difference. First operand 100 states and 186 transitions. Second operand 3 states. [2019-11-28 02:46:20,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:20,194 INFO L93 Difference]: Finished difference Result 101 states and 187 transitions. [2019-11-28 02:46:20,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:20,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 02:46:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:20,200 INFO L225 Difference]: With dead ends: 101 [2019-11-28 02:46:20,200 INFO L226 Difference]: Without dead ends: 101 [2019-11-28 02:46:20,201 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 02:46:20,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-28 02:46:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-28 02:46:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-28 02:46:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 187 transitions. [2019-11-28 02:46:20,216 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 187 transitions. Word has length 25 [2019-11-28 02:46:20,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:20,217 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 187 transitions. [2019-11-28 02:46:20,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2019-11-28 02:46:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:20,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:20,219 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, 1] [2019-11-28 02:46:20,219 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:20,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:20,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1737469676, now seen corresponding path program 1 times [2019-11-28 02:46:20,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:20,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262805674] [2019-11-28 02:46:20,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,315 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 02:46:20,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262805674] [2019-11-28 02:46:20,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:20,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:20,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592816217] [2019-11-28 02:46:20,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:20,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:20,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:20,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:20,318 INFO L87 Difference]: Start difference. First operand 101 states and 187 transitions. Second operand 3 states. [2019-11-28 02:46:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:20,350 INFO L93 Difference]: Finished difference Result 140 states and 254 transitions. [2019-11-28 02:46:20,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:20,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 02:46:20,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:20,352 INFO L225 Difference]: With dead ends: 140 [2019-11-28 02:46:20,353 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 02:46:20,353 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 02:46:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 02:46:20,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2019-11-28 02:46:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 02:46:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 253 transitions. [2019-11-28 02:46:20,372 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 253 transitions. Word has length 25 [2019-11-28 02:46:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:20,375 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 253 transitions. [2019-11-28 02:46:20,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2019-11-28 02:46:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:20,379 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:20,380 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, 1] [2019-11-28 02:46:20,380 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1737462484, now seen corresponding path program 1 times [2019-11-28 02:46:20,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:20,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085739649] [2019-11-28 02:46:20,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:20,464 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 02:46:20,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085739649] [2019-11-28 02:46:20,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:20,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:20,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605140357] [2019-11-28 02:46:20,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:46:20,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:46:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:46:20,469 INFO L87 Difference]: Start difference. First operand 138 states and 253 transitions. Second operand 3 states. [2019-11-28 02:46:20,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:20,495 INFO L93 Difference]: Finished difference Result 138 states and 247 transitions. [2019-11-28 02:46:20,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:46:20,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 02:46:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:20,497 INFO L225 Difference]: With dead ends: 138 [2019-11-28 02:46:20,497 INFO L226 Difference]: Without dead ends: 138 [2019-11-28 02:46:20,498 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 02:46:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-28 02:46:20,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-11-28 02:46:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 02:46:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 246 transitions. [2019-11-28 02:46:20,509 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 246 transitions. Word has length 25 [2019-11-28 02:46:20,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:20,510 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 246 transitions. [2019-11-28 02:46:20,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:46:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2019-11-28 02:46:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:20,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:20,512 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, 1] [2019-11-28 02:46:20,512 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:46:20,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:20,513 INFO L82 PathProgramCache]: Analyzing trace with hash 149121774, now seen corresponding path program 1 times [2019-11-28 02:46:20,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:20,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993353152] [2019-11-28 02:46:20,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:20,603 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:46:20,604 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:46:20,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:20 BoogieIcfgContainer [2019-11-28 02:46:20,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:46:20,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:46:20,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:46:20,670 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:46:20,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19" (3/4) ... [2019-11-28 02:46:20,673 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:46:20,773 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:46:20,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:46:20,779 INFO L168 Benchmark]: Toolchain (without parser) took 2233.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -77.8 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,785 INFO L168 Benchmark]: CDTParser took 1.47 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 02:46:20,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,787 INFO L168 Benchmark]: Boogie Preprocessor took 121.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,788 INFO L168 Benchmark]: RCFGBuilder took 456.38 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,791 INFO L168 Benchmark]: TraceAbstraction took 1119.79 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,792 INFO L168 Benchmark]: Witness Printer took 104.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:20,796 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47 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 426.25 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 456.38 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1119.79 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * Witness Printer took 104.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: 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; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L91] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L95] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L99] COND TRUE p3 != 0 [L100] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L103] COND TRUE p4 != 0 [L104] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L107] COND TRUE p5 != 0 [L108] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L111] COND TRUE p6 != 0 [L112] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L115] COND TRUE p7 != 0 [L116] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L119] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L123] COND TRUE p9 != 0 [L124] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L127] COND TRUE p10 != 0 [L128] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L131] COND TRUE p11 != 0 [L132] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L135] COND TRUE p12 != 0 [L136] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L139] COND TRUE p13 != 0 [L140] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L143] COND TRUE p14 != 0 [L144] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L147] COND TRUE p15 != 0 [L148] lk15 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L153] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L158] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L231] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p15=3, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 243 SDslu, 321 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=138occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...