./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/ldv-memsafety/StructInitialization.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 09aab7ee021274328a236afeda27749aba561ee0 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:59:58,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:59:58,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:59:58,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:59:58,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:59:58,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:59:58,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:59:58,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:59:59,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:59:59,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:59:59,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:59:59,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:59:59,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:59:59,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:59:59,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:59:59,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:59:59,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:59:59,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:59:59,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:59:59,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:59:59,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:59:59,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:59:59,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:59:59,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:59:59,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:59:59,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:59:59,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:59:59,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:59:59,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:59:59,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:59:59,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:59:59,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:59:59,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:59:59,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:59:59,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:59:59,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:59:59,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:59:59,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:59:59,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:59:59,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:59:59,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:59:59,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:59:59,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:59:59,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:59:59,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:59:59,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:59:59,068 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:59:59,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:59:59,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:59:59,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:59:59,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:59:59,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:59:59,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:59:59,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:59:59,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:59:59,070 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:59:59,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:59:59,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:59:59,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:59:59,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:59:59,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:59:59,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:59:59,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:59:59,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:59:59,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:59:59,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:59:59,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:59:59,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:59:59,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:59:59,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:59:59,077 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 -> 09aab7ee021274328a236afeda27749aba561ee0 [2020-10-20 05:59:59,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:59:59,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:59:59,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:59:59,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:59:59,330 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:59:59,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-10-20 05:59:59,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02660f89c/2f4df568e86f4778a4af726af901f9f5/FLAG71b18e247 [2020-10-20 05:59:59,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:59:59,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-10-20 05:59:59,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02660f89c/2f4df568e86f4778a4af726af901f9f5/FLAG71b18e247 [2020-10-20 06:00:00,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02660f89c/2f4df568e86f4778a4af726af901f9f5 [2020-10-20 06:00:00,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:00,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:00,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:00,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:00,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:00,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dac1fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00, skipping insertion in model container [2020-10-20 06:00:00,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:00,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:00,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:00,669 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:00:00,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:00,704 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:00:00,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00 WrapperNode [2020-10-20 06:00:00,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:00,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:00:00,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:00:00,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:00:00,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (1/1) ... [2020-10-20 06:00:00,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:00:00,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:00:00,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:00:00,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:00:00,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (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 [2020-10-20 06:00:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:00:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:00:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:00:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:00:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:00:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:00:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:00:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:00:01,007 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:00:01,008 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:00:01,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:01 BoogieIcfgContainer [2020-10-20 06:00:01,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:00:01,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:00:01,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:00:01,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:00:01,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:00:00" (1/3) ... [2020-10-20 06:00:01,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8d18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:01, skipping insertion in model container [2020-10-20 06:00:01,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:00" (2/3) ... [2020-10-20 06:00:01,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8d18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:01, skipping insertion in model container [2020-10-20 06:00:01,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:01" (3/3) ... [2020-10-20 06:00:01,020 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2020-10-20 06:00:01,033 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:00:01,041 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 06:00:01,057 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 06:00:01,088 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:00:01,089 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:00:01,089 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:00:01,089 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:00:01,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:00:01,090 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:00:01,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:00:01,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:00:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-10-20 06:00:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:00:01,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:01,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:01,136 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-20 06:00:01,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:01,144 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2020-10-20 06:00:01,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:00:01,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835013692] [2020-10-20 06:00:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:00:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:01,556 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-20 06:00:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-20 06:00:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:01,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835013692] [2020-10-20 06:00:01,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:01,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:00:01,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726017685] [2020-10-20 06:00:01,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:00:01,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:00:01,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:00:01,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:00:01,661 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-10-20 06:00:01,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:01,720 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-10-20 06:00:01,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:00:01,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-20 06:00:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:01,735 INFO L225 Difference]: With dead ends: 10 [2020-10-20 06:00:01,735 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:00:01,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:00:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:00:01,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:00:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:00:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:00:01,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-10-20 06:00:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:01,768 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:00:01,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:00:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:00:01,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:00:01,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:00:01,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:00:01 BoogieIcfgContainer [2020-10-20 06:00:01,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:00:01,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:00:01,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:00:01,775 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:00:01,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:01" (3/4) ... [2020-10-20 06:00:01,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:00:01,785 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:00:01,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:00:01,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-10-20 06:00:01,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 06:00:01,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:00:01,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:00:01,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:00:01,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:00:01,832 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:00:01,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:00:01,834 INFO L168 Benchmark]: Toolchain (without parser) took 1518.42 ms. Allocated memory was 40.4 MB in the beginning and 45.1 MB in the end (delta: 4.7 MB). Free memory was 17.8 MB in the beginning and 13.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,835 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 30.4 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 32.8 kB). Peak memory consumption was 32.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.58 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 16.9 MB in the beginning and 15.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,837 INFO L168 Benchmark]: Boogie Preprocessor took 35.14 ms. Allocated memory is still 41.4 MB. Free memory was 15.4 MB in the beginning and 12.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,838 INFO L168 Benchmark]: RCFGBuilder took 269.49 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 12.9 MB in the beginning and 14.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,839 INFO L168 Benchmark]: TraceAbstraction took 762.45 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 14.1 MB in the beginning and 16.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 249.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,840 INFO L168 Benchmark]: Witness Printer took 58.16 ms. Allocated memory is still 45.1 MB. Free memory was 16.4 MB in the beginning and 13.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:01,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 30.4 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 32.8 kB). Peak memory consumption was 32.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 374.58 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 16.9 MB in the beginning and 15.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.14 ms. Allocated memory is still 41.4 MB. Free memory was 15.4 MB in the beginning and 12.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 269.49 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 12.9 MB in the beginning and 14.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 762.45 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 14.1 MB in the beginning and 16.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 249.3 kB. Max. memory is 14.3 GB. * Witness Printer took 58.16 ms. Allocated memory is still 45.1 MB. Free memory was 16.4 MB in the beginning and 13.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...