./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test_union.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/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_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test_union.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4 --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 1c161d4585e44025dff37c27d4a80cfc33b46019f94633af3ad2ed91db249db8 --- 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 01:20:43,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:20:43,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:20:44,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:20:44,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:20:44,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:20:44,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:20:44,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:20:44,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:20:44,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:20:44,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:20:44,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:20:44,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:20:44,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:20:44,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:20:44,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:20:44,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:20:44,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:20:44,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:20:44,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:20:44,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:20:44,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:20:44,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:20:44,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:20:44,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:20:44,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:20:44,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:20:44,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:20:44,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:20:44,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:20:44,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:20:44,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:20:44,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:20:44,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:20:44,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:20:44,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:20:44,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:20:44,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:20:44,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:20:44,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:20:44,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:20:44,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 01:20:44,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:20:44,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:20:44,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:20:44,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:20:44,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:20:44,073 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:20:44,074 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:20:44,075 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 01:20:44,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:20:44,075 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:20:44,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:20:44,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:20:44,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:20:44,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:20:44,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:20:44,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:20:44,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:20:44,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:20:44,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:20:44,076 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_5872c120-d8b3-48f4-b5cc-1e9f7686145f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c161d4585e44025dff37c27d4a80cfc33b46019f94633af3ad2ed91db249db8 [2022-12-15 01:20:44,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:20:44,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:20:44,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:20:44,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:20:44,277 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:20:44,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-regression/test_union.c_1.i [2022-12-15 01:20:46,737 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:20:46,871 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:20:46,872 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/sv-benchmarks/c/ldv-regression/test_union.c_1.i [2022-12-15 01:20:46,876 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/data/972485e06/58b8921760414f8f836a3af36a62aaa8/FLAGcfe160db6 [2022-12-15 01:20:47,305 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/data/972485e06/58b8921760414f8f836a3af36a62aaa8 [2022-12-15 01:20:47,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:20:47,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:20:47,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:20:47,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:20:47,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:20:47,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9d255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47, skipping insertion in model container [2022-12-15 01:20:47,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:20:47,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:20:47,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/sv-benchmarks/c/ldv-regression/test_union.c_1.i[296,309] [2022-12-15 01:20:47,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:20:47,432 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:20:47,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/sv-benchmarks/c/ldv-regression/test_union.c_1.i[296,309] [2022-12-15 01:20:47,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:20:47,452 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:20:47,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47 WrapperNode [2022-12-15 01:20:47,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:20:47,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:20:47,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:20:47,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:20:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,474 INFO L138 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-12-15 01:20:47,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:20:47,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:20:47,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:20:47,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:20:47,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:20:47,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:20:47,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:20:47,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:20:47,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:20:47,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:20:47,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:20:47,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:20:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:20:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:20:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:20:47,585 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:20:47,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:20:47,651 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:20:47,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:20:47,662 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:20:47,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:20:47 BoogieIcfgContainer [2022-12-15 01:20:47,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:20:47,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:20:47,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:20:47,673 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:20:47,673 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:20:47" (1/1) ... [2022-12-15 01:20:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:20:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-15 01:20:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-15 01:20:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:20:47,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:47,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:47,844 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 01:20:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-12-15 01:20:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-12-15 01:20:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:20:47,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:47,946 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 01:20:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-15 01:20:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-15 01:20:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:20:48,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:48,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:48,065 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 01:20:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-15 01:20:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-15 01:20:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:20:48,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:48,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:48,143 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 01:20:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-12-15 01:20:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-12-15 01:20:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:20:48,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:48,249 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 01:20:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:48,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2022-12-15 01:20:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-15 01:20:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:20:48,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:20:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:20:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:20:48,428 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 01:20:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:20:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2022-12-15 01:20:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-12-15 01:20:48,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:20:48,694 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-15 01:20:48,699 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 01:20:48,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:20:48 ImpRootNode [2022-12-15 01:20:48,715 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:20:48,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:20:48,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:20:48,716 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:20:48,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:20:47" (3/4) ... [2022-12-15 01:20:48,718 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:20:48,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-15 01:20:48,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 01:20:48,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:20:48,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:20:48,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:20:48,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:20:48,747 INFO L158 Benchmark]: Toolchain (without parser) took 1437.94ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 81.5MB in the end (delta: 36.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,747 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:20:48,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.62ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 107.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.45ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,748 INFO L158 Benchmark]: Boogie Preprocessor took 12.54ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 777.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:20:48,749 INFO L158 Benchmark]: RCFGBuilder took 177.02ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 95.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,749 INFO L158 Benchmark]: CodeCheck took 1050.22ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 83.6MB in the end (delta: 11.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,749 INFO L158 Benchmark]: Witness Printer took 30.62ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:20:48,751 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, 14 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 2 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 8]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.62ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 107.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.45ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.54ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 777.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 177.02ms. Allocated memory is still 153.1MB. Free memory was 105.5MB in the beginning and 95.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1050.22ms. Allocated memory is still 153.1MB. Free memory was 95.1MB in the beginning and 83.6MB in the end (delta: 11.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 30.62ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 81.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:20:48,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5872c120-d8b3-48f4-b5cc-1e9f7686145f/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 Result: TRUE