./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ea2dc862d4e5ac3143824817093a58b58ef1480 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 00:29:37,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 00:29:37,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 00:29:37,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 00:29:37,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 00:29:37,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 00:29:37,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 00:29:37,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 00:29:37,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 00:29:37,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 00:29:37,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 00:29:37,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 00:29:37,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 00:29:37,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 00:29:37,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 00:29:37,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 00:29:37,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 00:29:37,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 00:29:37,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 00:29:37,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 00:29:37,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 00:29:37,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 00:29:37,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 00:29:37,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 00:29:37,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 00:29:37,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 00:29:37,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 00:29:37,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 00:29:37,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 00:29:37,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 00:29:37,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 00:29:37,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 00:29:37,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 00:29:37,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 00:29:37,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 00:29:37,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 00:29:37,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 00:29:37,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 00:29:37,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 00:29:37,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 00:29:37,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 00:29:37,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 00:29:37,785 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 00:29:37,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 00:29:37,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 00:29:37,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 00:29:37,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 00:29:37,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 00:29:37,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 00:29:37,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 00:29:37,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 00:29:37,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 00:29:37,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 00:29:37,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 00:29:37,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 00:29:37,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 00:29:37,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 00:29:37,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 00:29:37,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 00:29:37,789 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak 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 -> Kojak 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 -> 1ea2dc862d4e5ac3143824817093a58b58ef1480 [2019-12-02 00:29:37,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 00:29:37,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 00:29:37,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 00:29:37,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 00:29:37,897 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 00:29:37,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i [2019-12-02 00:29:37,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/data/76a77d9ff/64c26944ccd7462aa5b2c4cb6e27dd0a/FLAG5fabb9373 [2019-12-02 00:29:38,375 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 00:29:38,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/sv-benchmarks/c/list-ext-properties/960521-1_1-3.i [2019-12-02 00:29:38,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/data/76a77d9ff/64c26944ccd7462aa5b2c4cb6e27dd0a/FLAG5fabb9373 [2019-12-02 00:29:38,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/data/76a77d9ff/64c26944ccd7462aa5b2c4cb6e27dd0a [2019-12-02 00:29:38,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 00:29:38,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 00:29:38,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 00:29:38,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 00:29:38,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 00:29:38,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d0031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38, skipping insertion in model container [2019-12-02 00:29:38,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 00:29:38,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 00:29:38,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:29:38,666 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 00:29:38,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 00:29:38,721 INFO L208 MainTranslator]: Completed translation [2019-12-02 00:29:38,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38 WrapperNode [2019-12-02 00:29:38,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 00:29:38,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 00:29:38,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 00:29:38,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 00:29:38,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 00:29:38,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 00:29:38,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 00:29:38,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 00:29:38,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... [2019-12-02 00:29:38,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 00:29:38,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 00:29:38,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 00:29:38,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 00:29:38,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:29:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-02 00:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 00:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 00:29:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 00:29:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 00:29:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 00:29:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 00:29:39,036 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 00:29:39,036 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 00:29:39,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:39 BoogieIcfgContainer [2019-12-02 00:29:39,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 00:29:39,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 00:29:39,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 00:29:39,045 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 00:29:39,045 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:39" (1/1) ... [2019-12-02 00:29:39,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 00:29:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2019-12-02 00:29:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2019-12-02 00:29:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 00:29:39,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2019-12-02 00:29:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2019-12-02 00:29:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 00:29:39,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2019-12-02 00:29:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2019-12-02 00:29:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 00:29:39,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2019-12-02 00:29:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2019-12-02 00:29:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 00:29:39,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2019-12-02 00:29:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-12-02 00:29:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 00:29:39,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2019-12-02 00:29:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2019-12-02 00:29:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 00:29:39,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2019-12-02 00:29:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2019-12-02 00:29:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 00:29:40,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2019-12-02 00:29:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-12-02 00:29:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 00:29:41,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:43,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2019-12-02 00:29:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2019-12-02 00:29:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 00:29:43,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2019-12-02 00:29:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2019-12-02 00:29:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 00:29:44,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2019-12-02 00:29:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2019-12-02 00:29:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 00:29:45,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:45,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2019-12-02 00:29:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2019-12-02 00:29:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 00:29:45,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2019-12-02 00:29:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2019-12-02 00:29:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 00:29:45,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2019-12-02 00:29:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2019-12-02 00:29:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 00:29:48,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 00:29:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2019-12-02 00:29:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2019-12-02 00:29:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 00:29:48,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2019-12-02 00:29:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-12-02 00:29:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 00:29:49,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 94 states and 127 transitions. [2019-12-02 00:29:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2019-12-02 00:29:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 00:29:50,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 00:29:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 97 states and 130 transitions. [2019-12-02 00:29:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2019-12-02 00:29:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 00:29:50,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 00:29:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 102 states and 146 transitions. [2019-12-02 00:29:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2019-12-02 00:29:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 00:29:54,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 00:29:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 105 states and 149 transitions. [2019-12-02 00:29:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2019-12-02 00:29:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 00:29:56,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 00:29:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 00:29:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 00:29:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 107 states and 151 transitions. [2019-12-02 00:29:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2019-12-02 00:29:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 00:29:57,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 00:29:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:29:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:29:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:29:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 00:29:57,856 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2019-12-02 00:29:57,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:29:57 ImpRootNode [2019-12-02 00:29:57,880 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 00:29:57,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 00:29:57,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 00:29:57,881 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 00:29:57,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:29:39" (3/4) ... [2019-12-02 00:29:57,883 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 00:29:57,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4cb5ee99-4b86-4ca9-ac33-d7d08034f336/bin/ukojak/witness.graphml [2019-12-02 00:29:57,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 00:29:57,919 INFO L168 Benchmark]: Toolchain (without parser) took 19522.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 938.2 MB in the beginning and 868.1 MB in the end (delta: 70.1 MB). Peak memory consumption was 302.9 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,919 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 00:29:57,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,921 INFO L168 Benchmark]: Boogie Preprocessor took 18.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,921 INFO L168 Benchmark]: RCFGBuilder took 267.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,922 INFO L168 Benchmark]: CodeCheck took 18842.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.1 GB in the beginning and 870.9 MB in the end (delta: 182.9 MB). Peak memory consumption was 312.9 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,922 INFO L168 Benchmark]: Witness Printer took 36.90 ms. Allocated memory is still 1.3 GB. Free memory was 870.9 MB in the beginning and 868.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-12-02 00:29:57,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 47 locations, 21 error locations. Result: UNSAFE, OverallTime: 18.7s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5320704 SDtfs, 1918092 SDslu, 988384 SDs, 0 SdLazy, 12127610 SolverSat, 4534990 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1874 GetRequests, 1546 SyntacticMatches, 44 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38781 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 9992 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 33/41 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 536]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int *a, *b; [L513] int n; [L525] n = 1 VAL [a={0:0}, b={0:0}, n=1] [L526] COND FALSE !(__VERIFIER_nondet_int() && n < 30) [L529] a = malloc(n * sizeof(*a)) [L530] b = malloc(n * sizeof(*b)) [L531] EXPR b++ VAL [a={-3513:0}, b={-3514:4}, n=1] [L531] *b++ = 0 [L517] int i; [L518] i = 0 VAL [a={-3513:0}, b={-3514:4}, n=1] [L518] COND TRUE i < n VAL [a={-3513:0}, b={-3514:4}, n=1] [L519] a[i] = -1 [L518] i++ VAL [a={-3513:0}, b={-3514:4}, n=1] [L518] COND FALSE !(i < n) [L520] i = 0 VAL [a={-3513:0}, b={-3514:4}, n=1] [L520] COND FALSE !(i < n - 1) VAL [a={-3513:0}, b={-3514:4}, n=1] [L533] b[-1] VAL [a={-3513:0}, b={-3514:4}, n=1] [L533] COND FALSE !(b[-1]) [L536] free(a) VAL [a={-3513:0}, b={-3514:4}, n=1] [L536] free(a) VAL [a={-3513:0}, b={-3514:4}, n=1] [L536] free(a) [L536] free(b) VAL [a={-3513:0}, b={-3514:4}, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 267.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * CodeCheck took 18842.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.1 GB in the beginning and 870.9 MB in the end (delta: 182.9 MB). Peak memory consumption was 312.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.90 ms. Allocated memory is still 1.3 GB. Free memory was 870.9 MB in the beginning and 868.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...