./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.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_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/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 79a252c986c7b06f14f3ee394685573049ad76fb ............................................................................................................................................................................................................................................................................................ 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 05:55:14,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:55:14,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:55:14,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:55:14,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:55:14,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:55:14,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:55:14,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:55:14,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:55:14,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:55:14,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:55:14,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:55:14,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:55:14,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:55:14,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:55:14,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:55:14,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:55:14,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:55:14,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:55:14,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:55:14,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:55:14,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:55:14,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:55:14,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:55:14,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:55:14,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:55:14,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:55:14,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:55:14,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:55:14,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:55:14,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:55:14,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:55:14,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:55:14,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:55:14,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:55:14,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:55:14,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:55:14,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:55:14,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:55:14,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:55:14,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:55:14,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 05:55:14,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:55:14,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:55:14,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:55:14,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:55:14,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:55:14,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:55:14,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:55:14,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:55:14,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:55:14,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:55:14,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:55:14,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:55:14,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:55:14,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:55:14,724 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_22a6057f-2088-4657-a0de-6547a138588f/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 -> 79a252c986c7b06f14f3ee394685573049ad76fb [2019-12-02 05:55:14,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:55:14,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:55:14,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:55:14,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:55:14,851 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:55:14,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-12-02 05:55:14,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/data/b76b6a22a/3683f19c5dc246869a6b671ece87fc97/FLAGac3b9b15b [2019-12-02 05:55:15,361 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:55:15,361 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2019-12-02 05:55:15,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/data/b76b6a22a/3683f19c5dc246869a6b671ece87fc97/FLAGac3b9b15b [2019-12-02 05:55:15,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/data/b76b6a22a/3683f19c5dc246869a6b671ece87fc97 [2019-12-02 05:55:15,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:55:15,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:55:15,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:55:15,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:55:15,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:55:15,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:55:15" (1/1) ... [2019-12-02 05:55:15,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b50f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:15, skipping insertion in model container [2019-12-02 05:55:15,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:55:15" (1/1) ... [2019-12-02 05:55:15,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:55:15,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:55:15,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:55:16,011 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:55:16,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:55:16,096 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:55:16,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16 WrapperNode [2019-12-02 05:55:16,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:55:16,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:55:16,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:55:16,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:55:16,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:55:16,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:55:16,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:55:16,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:55:16,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:55:16,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:55:16,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:55:16,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:55:16,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:55:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/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 05:55:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 05:55:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 05:55:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 05:55:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-02 05:55:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:55:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:55:16,388 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:55:16,388 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-02 05:55:16,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:55:16 BoogieIcfgContainer [2019-12-02 05:55:16,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:55:16,390 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:55:16,390 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:55:16,397 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:55:16,397 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:55:16" (1/1) ... [2019-12-02 05:55:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:55:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-02 05:55:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-02 05:55:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:55:16,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:16,535 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 05:55:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-12-02 05:55:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-02 05:55:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 05:55:16,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:16,580 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 05:55:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2019-12-02 05:55:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-12-02 05:55:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 05:55:16,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:16,651 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 05:55:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-02 05:55:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-02 05:55:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:55:16,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:16,812 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 05:55:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2019-12-02 05:55:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-12-02 05:55:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:55:16,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,011 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 05:55:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2019-12-02 05:55:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-12-02 05:55:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:55:17,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,144 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 05:55:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2019-12-02 05:55:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-12-02 05:55:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:55:17,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,427 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 05:55:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-12-02 05:55:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-02 05:55:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:55:17,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,584 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 05:55:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-02 05:55:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-02 05:55:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:55:17,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,814 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 05:55:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2019-12-02 05:55:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-12-02 05:55:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:55:17,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:55:17,971 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 05:55:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:55:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-12-02 05:55:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-02 05:55:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:55:18,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:55:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:55:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:55:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:55:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:55:18,112 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-12-02 05:55:18,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:55:18 ImpRootNode [2019-12-02 05:55:18,135 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:55:18,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:55:18,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:55:18,136 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:55:18,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:55:16" (3/4) ... [2019-12-02 05:55:18,138 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 05:55:18,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22a6057f-2088-4657-a0de-6547a138588f/bin/ukojak/witness.graphml [2019-12-02 05:55:18,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:55:18,174 INFO L168 Benchmark]: Toolchain (without parser) took 2485.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 934.0 MB in the beginning and 943.3 MB in the end (delta: -9.3 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,174 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:55:18,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,176 INFO L168 Benchmark]: Boogie Preprocessor took 16.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:55:18,176 INFO L168 Benchmark]: RCFGBuilder took 241.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,177 INFO L168 Benchmark]: CodeCheck took 1745.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,178 INFO L168 Benchmark]: Witness Printer took 36.51 ms. Allocated memory is still 1.1 GB. Free memory was 945.1 MB in the beginning and 943.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:55:18,181 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, 19 locations, 7 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 4320 SDslu, 1280 SDs, 0 SdLazy, 14868 SolverSat, 6012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 337 SyntacticMatches, 10 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2203 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 762]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a8; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] a8 = (int *)ldv_malloc(sizeof(int)) [L762] COND TRUE \read(*a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) [L762] COND TRUE \read(*a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] [L762] free(a8) VAL [a8={7661:0}, ldv_global_msg_list={7663:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.91 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 241.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1745.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 945.1 MB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * Witness Printer took 36.51 ms. Allocated memory is still 1.1 GB. Free memory was 945.1 MB in the beginning and 943.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...