./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:40:35,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:40:35,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:40:35,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:40:35,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:40:35,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:40:35,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:40:35,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:40:35,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:40:35,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:40:35,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:40:35,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:40:35,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:40:35,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:40:35,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:40:35,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:40:35,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:40:35,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:40:35,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:40:35,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:40:35,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:40:35,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:40:35,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:40:35,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:40:35,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:40:35,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:40:35,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:40:35,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:40:35,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:40:35,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:40:35,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:40:35,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:40:35,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:40:35,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:40:35,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:40:35,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:40:35,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:40:35,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:40:35,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:40:35,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:40:35,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:40:35,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:40:35,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:40:35,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:40:35,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:40:35,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:40:35,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:40:35,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:40:35,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:40:35,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:40:35,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:40:35,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:40:35,724 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:40:35,724 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:40:35,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:40:35,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:40:35,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:40:35,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:40:35,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:40:35,725 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:40:35,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:40:35,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:40:35,725 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_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b834abf8dc1317d8271c7246f1223cb53b92d1ccf9f4021ff5d970b2c79106ab [2022-12-15 03:40:35,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:40:35,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:40:35,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:40:35,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:40:35,927 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:40:35,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2022-12-15 03:40:38,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:40:38,678 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:40:38,679 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5.i [2022-12-15 03:40:38,684 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/data/90f2ae501/de77b29f0e9b435e8b765b141470f08d/FLAGca5a38e94 [2022-12-15 03:40:38,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/data/90f2ae501/de77b29f0e9b435e8b765b141470f08d [2022-12-15 03:40:38,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:40:38,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:40:38,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:40:38,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:40:38,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:40:38,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173c5663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38, skipping insertion in model container [2022-12-15 03:40:38,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:40:38,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:40:38,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:40:38,857 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:40:38,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:40:38,884 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:40:38,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38 WrapperNode [2022-12-15 03:40:38,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:40:38,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:40:38,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:40:38,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:40:38,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,918 INFO L138 Inliner]: procedures = 12, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-12-15 03:40:38,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:40:38,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:40:38,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:40:38,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:40:38,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:40:38,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:40:38,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:40:38,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:40:38,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:40:38" (1/1) ... [2022-12-15 03:40:38,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:40:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:40:38,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:40:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:40:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:40:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 03:40:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-15 03:40:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-15 03:40:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-12-15 03:40:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-12-15 03:40:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:40:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:40:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:40:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:40:39,073 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:40:39,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:40:39,212 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:40:39,238 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:40:39,238 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:40:39,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:40:39 BoogieIcfgContainer [2022-12-15 03:40:39,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:40:39,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:40:39,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:40:39,250 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:40:39,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:40:39" (1/1) ... [2022-12-15 03:40:39,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:40:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:40:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-12-15 03:40:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-15 03:40:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:40:39,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:40:39,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:40:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:40:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:40:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:40:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-12-15 03:40:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-15 03:40:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:40:39,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:40:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:40:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:40:39,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:40:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:40:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:40:39,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:40:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:40:39,624 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-15 03:40:39,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:40:39 ImpRootNode [2022-12-15 03:40:39,648 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:40:39,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:40:39,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:40:39,648 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:40:39,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:40:39" (3/4) ... [2022-12-15 03:40:39,650 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:40:39,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:40:39,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:40:39,676 INFO L158 Benchmark]: Toolchain (without parser) took 973.97ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 91.4MB in the beginning and 164.4MB in the end (delta: -73.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:40:39,676 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 104.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:40:39,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.28ms. Allocated memory is still 132.1MB. Free memory was 91.4MB in the beginning and 81.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:40:39,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.48ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:40:39,677 INFO L158 Benchmark]: Boogie Preprocessor took 18.18ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:40:39,677 INFO L158 Benchmark]: RCFGBuilder took 302.93ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 63.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 03:40:39,678 INFO L158 Benchmark]: CodeCheck took 406.26ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 63.4MB in the beginning and 166.4MB in the end (delta: -103.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:40:39,678 INFO L158 Benchmark]: Witness Printer took 27.03ms. Allocated memory is still 201.3MB. Free memory was 166.4MB in the beginning and 164.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:40:39,681 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 3 procedures, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L56] int *p1 = malloc(sizeof(int)); [L57] int *p2 = malloc(sizeof(int)); [L60] *p1 = __VERIFIER_nondet_int() [L61] *p2 = __VERIFIER_nondet_int() [L63] EXPR \read(*p1) [L63] *p1 < 0 || *p2 < 0 [L63] EXPR \read(*p2) [L63] *p1 < 0 || *p2 < 0 VAL [*p1 < 0 || *p2 < 0=0, \read(*p1)=0, \read(*p2)=2147483647, p1={15924:0}, p2={15923:0}] [L63] COND FALSE !(*p1 < 0 || *p2 < 0) [L66] EXPR \read(*p2) VAL [\read(*p2)=2147483647, p1={15924:0}, p2={15923:0}] [L66] CALL f(p1,*p2) VAL [\old(v)=2147483647, q={15924:0}] [L17] COND FALSE !(v < 0) [L22] int *tmp = malloc(sizeof(int)); [L23] v+1 VAL [\old(v)=2147483647, q={15924:0}, q={15924:0}, tmp={15922:0}, v=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 104.4MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.28ms. Allocated memory is still 132.1MB. Free memory was 91.4MB in the beginning and 81.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.48ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.18ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.93ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 63.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 406.26ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 63.4MB in the beginning and 166.4MB in the end (delta: -103.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 27.03ms. Allocated memory is still 201.3MB. Free memory was 166.4MB in the beginning and 164.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 03:40:39,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e648b0bc-ce61-4648-825d-5b7e52fdad06/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)