./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu --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 --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:39,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:39,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:39,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:39,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:39,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:39,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:39,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:39,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:39,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:39,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:39,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:39,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:39,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:39,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:39,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:39,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:39,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:39,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:39,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:39,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:39,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:39,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:39,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:39,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:39,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:39,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:39,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:39,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:39,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:39,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:39,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:39,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:39,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:39,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:39,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:39,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:39,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:39,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:39,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:39,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:39,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:03:39,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:39,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:39,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:39,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:39,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:39,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:39,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:03:39,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:39,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:39,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:39,242 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:03:39,243 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:03:39,243 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:03:39,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:39,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:39,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:39,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:39,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:39,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:39,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:39,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:39,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:39,245 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:39,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:39,246 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_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56731b349541148adf5e7b09b4f62a37ef34decefedcd97d69429e6620dcb1d4 [2021-11-23 15:03:39,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:39,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:39,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:39,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:39,580 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:39,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0158-3.i [2021-11-23 15:03:39,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/data/f14d87c3f/3d52c89807544653ab58dcd4ed165c36/FLAGd45a73ca9 [2021-11-23 15:03:40,291 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:40,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/sv-benchmarks/c/memsafety/test-0158-3.i [2021-11-23 15:03:40,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/data/f14d87c3f/3d52c89807544653ab58dcd4ed165c36/FLAGd45a73ca9 [2021-11-23 15:03:40,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/data/f14d87c3f/3d52c89807544653ab58dcd4ed165c36 [2021-11-23 15:03:40,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:40,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:40,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:40,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:40,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:40,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:40" (1/1) ... [2021-11-23 15:03:40,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34844f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:40, skipping insertion in model container [2021-11-23 15:03:40,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:40" (1/1) ... [2021-11-23 15:03:40,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:40,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:41,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:41,028 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:41,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:41,111 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:41,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41 WrapperNode [2021-11-23 15:03:41,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:41,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:41,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:41,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:41,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,160 INFO L137 Inliner]: procedures = 174, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-11-23 15:03:41,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:41,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:41,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:41,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:41,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:41,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:41,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:41,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:41,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:41,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:41,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:41,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:03:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:41,372 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:41,374 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:41,605 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:41,624 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:03:41,624 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:03:41,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:41 BoogieIcfgContainer [2021-11-23 15:03:41,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:03:41,628 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:03:41,628 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:03:41,638 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:03:41,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:41" (1/1) ... [2021-11-23 15:03:41,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:03:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 31 states and 30 transitions. [2021-11-23 15:03:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2021-11-23 15:03:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:03:41,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:41,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 30 states and 29 transitions. [2021-11-23 15:03:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2021-11-23 15:03:41,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:03:41,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:41,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 29 states and 28 transitions. [2021-11-23 15:03:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2021-11-23 15:03:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:03:42,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:42,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 28 states and 27 transitions. [2021-11-23 15:03:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-23 15:03:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:03:42,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:42,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 27 states and 26 transitions. [2021-11-23 15:03:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2021-11-23 15:03:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:03:42,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:42,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 26 states and 25 transitions. [2021-11-23 15:03:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2021-11-23 15:03:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:03:42,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:42,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2021-11-23 15:03:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-11-23 15:03:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:03:43,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:43,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 24 states and 23 transitions. [2021-11-23 15:03:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2021-11-23 15:03:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:03:43,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:43,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2021-11-23 15:03:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-11-23 15:03:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:03:43,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:43,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2021-11-23 15:03:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2021-11-23 15:03:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:03:43,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:43,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 21 states and 20 transitions. [2021-11-23 15:03:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-11-23 15:03:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:03:43,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2021-11-23 15:03:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2021-11-23 15:03:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:03:44,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:44,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2021-11-23 15:03:45,289 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-11-23 15:03:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:03:45,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:45,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2021-11-23 15:03:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2021-11-23 15:03:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:03:46,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:46,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2021-11-23 15:03:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2021-11-23 15:03:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:03:47,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:47,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:03:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:03:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:03:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2021-11-23 15:03:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-11-23 15:03:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:03:49,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:03:49,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:03:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:03:49,541 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 15:03:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:03:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:03:49,636 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 15:03:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:03:49,683 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2021-11-23 15:03:49,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:03:49 ImpRootNode [2021-11-23 15:03:49,731 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:03:49,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:03:49,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:03:49,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:03:49,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:03:41" (3/4) ... [2021-11-23 15:03:49,735 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 15:03:49,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:03:49,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:03:49,777 INFO L158 Benchmark]: Toolchain (without parser) took 9227.65ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 57.8MB in the beginning and 87.9MB in the end (delta: -30.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,778 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:49,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.63ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 77.3MB in the end (delta: -19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.39ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,781 INFO L158 Benchmark]: Boogie Preprocessor took 28.12ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,782 INFO L158 Benchmark]: RCFGBuilder took 436.52ms. Allocated memory is still 113.2MB. Free memory was 73.7MB in the beginning and 61.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,783 INFO L158 Benchmark]: CodeCheck took 8103.10ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 61.8MB in the beginning and 90.0MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:49,784 INFO L158 Benchmark]: Witness Printer took 44.70ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 87.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,789 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: 8.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.3s 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, 490 SyntacticMatches, 12 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7448 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s 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={1517:0}] [L652] EXPR data.p0 [L652] void *ptr = data.p0; [L653] data.str.c[1] = sizeof data.str.p1 VAL [data={1517:0}, ptr={-1:0}] [L654] EXPR data.p0 VAL [data={1517:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) VAL [data={1517:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) VAL [data={1517:0}, data.p0={-1:0}, ptr={-1:0}] [L654] free(data.p0) [L655] free(ptr) VAL [data={1517:0}, ptr={-1:0}] [L655] free(ptr) VAL [data={1517:0}, ptr={-1:0}] [L655] free(ptr) VAL [data={1517:0}, ptr={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.63ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 77.3MB in the end (delta: -19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.39ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.12ms. Allocated memory is still 113.2MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.52ms. Allocated memory is still 113.2MB. Free memory was 73.7MB in the beginning and 61.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 8103.10ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 61.8MB in the beginning and 90.0MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.70ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 87.9MB 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! [2021-11-23 15:03:49,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3060a74-6a53-4b78-b636-10b9d15270ee/bin/ukojak-CwSLpZB5Qu/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)