./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB --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 56731b349541148adf5e7b09b4f62a37ef34decefedcd97d69429e6620dcb1d4 --- 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-dbf71c6-m [2022-10-17 16:52:27,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:27,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:27,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:27,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:27,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:27,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:27,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:27,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:27,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:27,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:27,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:27,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:27,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:27,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:27,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:27,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:27,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:27,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:27,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:27,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:27,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:27,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:27,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:27,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:27,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:27,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:27,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:27,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:27,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:27,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:27,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:27,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:27,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:27,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:27,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:27,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:27,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:27,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:27,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:27,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:27,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:52:27,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:27,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:27,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:27,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:27,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:27,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:27,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:27,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:27,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:27,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:27,384 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:52:27,384 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:52:27,384 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:52:27,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:27,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:27,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:27,385 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:27,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:27,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:27,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:27,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:27,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:27,387 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:27,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:27,388 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_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56731b349541148adf5e7b09b4f62a37ef34decefedcd97d69429e6620dcb1d4 [2022-10-17 16:52:27,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:27,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:27,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:27,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:27,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:27,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/test-0158-3.i [2022-10-17 16:52:27,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/data/09051856a/39e4e58445724271bbee350f34651dc0/FLAG2530ba783 [2022-10-17 16:52:28,442 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:28,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/sv-benchmarks/c/memsafety/test-0158-3.i [2022-10-17 16:52:28,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/data/09051856a/39e4e58445724271bbee350f34651dc0/FLAG2530ba783 [2022-10-17 16:52:28,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/data/09051856a/39e4e58445724271bbee350f34651dc0 [2022-10-17 16:52:28,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:28,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:28,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:28,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:28,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:28,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:28" (1/1) ... [2022-10-17 16:52:28,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136076f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:28, skipping insertion in model container [2022-10-17 16:52:28,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:28" (1/1) ... [2022-10-17 16:52:28,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:28,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:29,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:29,157 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:29,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:29,277 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:29,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29 WrapperNode [2022-10-17 16:52:29,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:29,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:29,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:29,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:29,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,356 INFO L138 Inliner]: procedures = 174, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2022-10-17 16:52:29,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:29,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:29,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:29,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:29,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:29,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:29,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:29,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:29,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:29,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:29,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:29,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:52:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:52:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:52:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:52:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:52:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:52:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:29,575 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:29,577 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:29,729 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:29,755 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:29,755 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:52:29,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:29 BoogieIcfgContainer [2022-10-17 16:52:29,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:29,759 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:29,759 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:29,770 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:29,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:29" (1/1) ... [2022-10-17 16:52:29,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 31 states and 30 transitions. [2022-10-17 16:52:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2022-10-17 16:52:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:52:29,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:29,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 30 states and 29 transitions. [2022-10-17 16:52:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2022-10-17 16:52:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:52:30,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 29 states and 28 transitions. [2022-10-17 16:52:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2022-10-17 16:52:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:52:30,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:30,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 28 states and 27 transitions. [2022-10-17 16:52:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2022-10-17 16:52:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:52:30,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:30,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 27 states and 26 transitions. [2022-10-17 16:52:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2022-10-17 16:52:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:31,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 26 states and 25 transitions. [2022-10-17 16:52:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2022-10-17 16:52:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:31,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2022-10-17 16:52:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2022-10-17 16:52:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:31,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 24 states and 23 transitions. [2022-10-17 16:52:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2022-10-17 16:52:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:31,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2022-10-17 16:52:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2022-10-17 16:52:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:31,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2022-10-17 16:52:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2022-10-17 16:52:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:31,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 21 states and 20 transitions. [2022-10-17 16:52:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2022-10-17 16:52:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:31,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2022-10-17 16:52:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2022-10-17 16:52:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:52:32,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:32,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2022-10-17 16:52:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2022-10-17 16:52:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:52:33,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2022-10-17 16:52:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2022-10-17 16:52:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:52:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2022-10-17 16:52:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2022-10-17 16:52:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:52:36,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2022-10-17 16:52:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-10-17 16:52:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:37,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:37,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:37,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:37,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:38,026 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2022-10-17 16:52:38,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:38 ImpRootNode [2022-10-17 16:52:38,077 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:38,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:38,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:38,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:38,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:29" (3/4) ... [2022-10-17 16:52:38,081 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:52:38,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:38,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:38,167 INFO L158 Benchmark]: Toolchain (without parser) took 9473.98ms. Allocated memory was 107.0MB in the beginning and 165.7MB in the end (delta: 58.7MB). Free memory was 60.0MB in the beginning and 70.9MB in the end (delta: -10.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,167 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 107.0MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:38,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.57ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 69.7MB in the end (delta: -9.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.19ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,170 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 66.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,170 INFO L158 Benchmark]: RCFGBuilder took 359.36ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 53.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,171 INFO L158 Benchmark]: CodeCheck took 8318.38ms. Allocated memory was 107.0MB in the beginning and 165.7MB in the end (delta: 58.7MB). Free memory was 53.0MB in the beginning and 72.9MB in the end (delta: -20.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,172 INFO L158 Benchmark]: Witness Printer took 88.00ms. Allocated memory is still 165.7MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:38,176 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, 31 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1032 IncrementalHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 388 mSolverCounterUnsat, 0 mSDtfsCounter, 1032 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 496 SyntacticMatches, 6 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7448 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 655]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L642-L649] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L650] data.p0 = malloc(37U) [L651] data.str.p2 = &data VAL [data={31660:0}] [L652] EXPR data.p0 [L652] void *ptr = data.p0; [L653] data.str.c[1] = sizeof data.str.p1 VAL [data={31660:0}, ptr={-1:0}] [L654] EXPR data.p0 VAL [data={31660:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) VAL [data={31660:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) VAL [data={31660:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) [L655] free(ptr) VAL [data={31660:0}, ptr={-1:0}] [L655] free(ptr) VAL [data={31660:0}, ptr={-1:0}] [L655] free(ptr) VAL [data={31660:0}, ptr={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 107.0MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.57ms. Allocated memory is still 107.0MB. Free memory was 59.8MB in the beginning and 69.7MB in the end (delta: -9.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.19ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 67.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 66.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.36ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 53.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 8318.38ms. Allocated memory was 107.0MB in the beginning and 165.7MB in the end (delta: 58.7MB). Free memory was 53.0MB in the beginning and 72.9MB in the end (delta: -20.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 88.00ms. Allocated memory is still 165.7MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:52:38,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da25c7b1-a025-4700-993d-41d6604e8e6d/bin/ukojak-92XMlrwhuB/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(valid-free)