./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/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 0.2.0-a4ecdab [2020-11-28 04:33:25,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:25,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:25,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:25,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:25,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:25,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:25,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:25,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:25,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:25,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:25,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:25,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:25,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:25,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:25,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:25,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:25,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:25,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:25,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:25,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:25,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:25,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:25,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:25,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:25,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:25,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:25,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:25,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:25,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:25,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:25,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:25,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:25,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:25,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:25,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:25,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:25,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:25,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:25,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:25,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:25,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:33:25,707 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:25,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:25,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:25,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:25,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:25,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:25,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:33:25,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:25,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:25,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:25,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:33:25,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:33:25,712 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:33:25,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:25,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:25,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:25,713 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:25,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:25,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:25,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:25,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:25,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:25,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:25,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:25,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:25,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a252c986c7b06f14f3ee394685573049ad76fb [2020-11-28 04:33:25,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:25,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:25,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:26,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:26,001 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:26,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-11-28 04:33:26,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/data/1c8281d5f/8c5da6aa626d4d08a0027be1876c3b07/FLAG9398e1675 [2020-11-28 04:33:26,657 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:26,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/sv-benchmarks/c/ldv-memsafety/memleaks_test8_2.i [2020-11-28 04:33:26,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/data/1c8281d5f/8c5da6aa626d4d08a0027be1876c3b07/FLAG9398e1675 [2020-11-28 04:33:26,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/data/1c8281d5f/8c5da6aa626d4d08a0027be1876c3b07 [2020-11-28 04:33:26,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:26,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:26,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:26,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:26,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:26,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:26" (1/1) ... [2020-11-28 04:33:26,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac813fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26, skipping insertion in model container [2020-11-28 04:33:26,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:26" (1/1) ... [2020-11-28 04:33:26,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:27,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:27,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:27,579 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:27,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:27,771 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27 WrapperNode [2020-11-28 04:33:27,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:27,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:27,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:27,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:27,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:27,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:27,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:27,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:27,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... [2020-11-28 04:33:27,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:27,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:27,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:27,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:27,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/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 [2020-11-28 04:33:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:33:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:33:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 04:33:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:28,394 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:28,395 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-28 04:33:28,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:28 BoogieIcfgContainer [2020-11-28 04:33:28,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:28,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:28,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:28,410 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:28,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:28" (1/1) ... [2020-11-28 04:33:28,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2020-11-28 04:33:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-11-28 04:33:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:33:28,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2020-11-28 04:33:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-11-28 04:33:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:33:28,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2020-11-28 04:33:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-11-28 04:33:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:33:28,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2020-11-28 04:33:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-11-28 04:33:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:33:29,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2020-11-28 04:33:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-11-28 04:33:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:33:29,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2020-11-28 04:33:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2020-11-28 04:33:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:33:29,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2020-11-28 04:33:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-11-28 04:33:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:33:30,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-11-28 04:33:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-11-28 04:33:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:33:30,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-28 04:33:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-28 04:33:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:33:30,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:30,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:30,961 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:31,008 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:31,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:31,036 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-28 04:33:31,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:31 ImpRootNode [2020-11-28 04:33:31,079 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:31,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:31,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:31,080 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:31,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:28" (3/4) ... [2020-11-28 04:33:31,082 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:31,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eaf5cac4-b3a8-4ed7-a718-490be8e5d207/bin/ukojak/witness.graphml [2020-11-28 04:33:31,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:31,138 INFO L168 Benchmark]: Toolchain (without parser) took 4173.62 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 67.7 MB in the beginning and 100.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,139 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 96.5 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:31,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.79 ms. Allocated memory is still 96.5 MB. Free memory was 67.4 MB in the beginning and 49.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.39 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 49.2 MB in the beginning and 95.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,141 INFO L168 Benchmark]: Boogie Preprocessor took 22.81 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,142 INFO L168 Benchmark]: RCFGBuilder took 532.99 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 73.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,143 INFO L168 Benchmark]: CodeCheck took 2679.93 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 73.9 MB in the beginning and 102.8 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:31,144 INFO L168 Benchmark]: Witness Printer took 56.50 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 100.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:31,149 INFO L339 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. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 886 SDslu, 64 SDs, 0 SdLazy, 3446 SolverSat, 1428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 251 SyntacticMatches, 8 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) [L762] COND TRUE \read(*a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] [L762] free(a8) VAL [a8={-1:0}, ldv_global_msg_list={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 96.5 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 809.79 ms. Allocated memory is still 96.5 MB. Free memory was 67.4 MB in the beginning and 49.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.39 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 49.2 MB in the beginning and 95.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.81 ms. Allocated memory is still 119.5 MB. Free memory was 95.9 MB in the beginning and 94.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 532.99 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 73.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 2679.93 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 73.9 MB in the beginning and 102.8 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 56.50 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 100.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...