./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- 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-6b4ec56 [2022-11-20 16:37:47,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:37:47,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:37:47,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:37:47,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:37:47,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:37:47,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:37:47,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:37:47,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:37:47,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:37:47,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:37:47,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:37:47,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:37:47,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:37:47,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:37:47,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:37:47,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:37:47,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:37:47,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:37:48,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:37:48,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:37:48,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:37:48,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:37:48,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:37:48,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:37:48,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:37:48,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:37:48,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:37:48,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:37:48,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:37:48,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:37:48,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:37:48,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:37:48,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:37:48,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:37:48,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:37:48,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:37:48,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:37:48,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:37:48,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:37:48,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:37:48,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 16:37:48,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:37:48,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:37:48,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:37:48,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:37:48,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:37:48,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:37:48,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:37:48,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:37:48,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:37:48,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:37:48,087 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:37:48,088 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:37:48,088 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:37:48,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:37:48,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:37:48,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:37:48,089 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:37:48,089 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:37:48,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:37:48,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:37:48,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:37:48,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:37:48,091 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:37:48,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:37:48,091 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_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2022-11-20 16:37:48,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:37:48,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:37:48,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:37:48,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:37:48,411 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:37:48,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2022-11-20 16:37:51,751 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:37:52,038 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:37:52,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2022-11-20 16:37:52,050 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/data/874070ab3/296a5df60878466f94a36ddd59cb06a8/FLAG263b80547 [2022-11-20 16:37:52,065 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/data/874070ab3/296a5df60878466f94a36ddd59cb06a8 [2022-11-20 16:37:52,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:37:52,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:37:52,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:37:52,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:37:52,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:37:52,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cc5159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52, skipping insertion in model container [2022-11-20 16:37:52,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:37:52,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:37:52,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:37:52,450 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:37:52,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:37:52,546 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:37:52,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52 WrapperNode [2022-11-20 16:37:52,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:37:52,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:37:52,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:37:52,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:37:52,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,587 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-11-20 16:37:52,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:37:52,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:37:52,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:37:52,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:37:52,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:37:52,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:37:52,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:37:52,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:37:52,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:37:52" (1/1) ... [2022-11-20 16:37:52,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:37:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:37:52,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:37:52,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:37:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:37:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:37:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:37:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:37:52,829 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:37:52,831 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:37:53,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:37:53,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:37:53,176 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:37:53,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:53 BoogieIcfgContainer [2022-11-20 16:37:53,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:37:53,180 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:37:53,180 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:37:53,191 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:37:53,191 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:53" (1/1) ... [2022-11-20 16:37:53,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:37:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:37:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 16:37:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 16:37:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:37:53,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:37:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:37:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:37:53,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 16:37:53,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:37:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:37:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:37:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2022-11-20 16:37:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-20 16:37:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:37:53,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:37:53,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:37:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:37:53,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:37:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:37:53,743 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:37:53,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:37:53 ImpRootNode [2022-11-20 16:37:53,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:37:53,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:37:53,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:37:53,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:37:53,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:53" (3/4) ... [2022-11-20 16:37:53,778 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:37:53,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7912659-6ad1-484a-a47d-c6909dbf0777/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:37:53,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:37:53,850 INFO L158 Benchmark]: Toolchain (without parser) took 1776.76ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 100.6MB in the beginning and 160.7MB in the end (delta: -60.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:37:53,851 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 146.8MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:37:53,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.34ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 84.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:37:53,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.88ms. Allocated memory is still 146.8MB. Free memory was 84.2MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:37:53,854 INFO L158 Benchmark]: Boogie Preprocessor took 27.72ms. Allocated memory is still 146.8MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:37:53,855 INFO L158 Benchmark]: RCFGBuilder took 562.95ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 64.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:37:53,856 INFO L158 Benchmark]: CodeCheck took 591.66ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 64.4MB in the beginning and 162.8MB in the end (delta: -98.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:37:53,858 INFO L158 Benchmark]: Witness Printer took 72.63ms. Allocated memory is still 195.0MB. Free memory was 162.8MB in the beginning and 160.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:37:53,861 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, 16 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 3 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 6 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L513] int i, j; [L514] int length = __VERIFIER_nondet_int(); [L515] COND FALSE !(length < 1 || length >= 2147483647 / sizeof(int)) [L516] int fac = __VERIFIER_nondet_int(); [L517] COND TRUE fac < 1 || fac >= 2147483647 / (sizeof(int) * length) [L517] fac = 1 [L518] int *arr = __builtin_alloca (length); [L519] int *arr2 = __builtin_alloca (fac*length); VAL [__builtin_alloca (fac*length)={2:0}, __builtin_alloca (length)={3:0}, arr={3:0}, arr2={2:0}, fac=1, length=2] [L520] COND FALSE !(!arr || !arr2) [L521] i=0 VAL [__builtin_alloca (fac*length)={2:0}, __builtin_alloca (length)={3:0}, arr={3:0}, arr2={2:0}, fac=1, i=0, length=2] [L521] COND TRUE i