./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL --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 a27e6fc2049c9dc12360bd8cd7682ef33f4a19a5a5a6c0e7a780c3703a0494b5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:30:01,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:30:01,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:30:01,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:30:01,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:30:01,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:30:01,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:30:01,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:30:01,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:30:01,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:30:01,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:30:01,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:30:01,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:30:01,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:30:01,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:30:01,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:30:01,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:30:01,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:30:01,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:30:01,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:30:01,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:30:01,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:30:01,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:30:01,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:30:01,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:30:01,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:30:01,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:30:01,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:30:01,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:30:01,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:30:01,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:30:01,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:30:01,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:30:01,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:30:01,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:30:01,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:30:01,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:30:01,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:30:01,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:30:01,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:30:01,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:30:01,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 06:30:01,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:30:01,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:30:01,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:30:01,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:30:01,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:30:01,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:30:01,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:30:01,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:30:01,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:30:01,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:30:01,296 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 06:30:01,296 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 06:30:01,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 06:30:01,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:30:01,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:30:01,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:30:01,297 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:30:01,298 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:30:01,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:30:01,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:30:01,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:30:01,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:30:01,299 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:30:01,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:30:01,299 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_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e6fc2049c9dc12360bd8cd7682ef33f4a19a5a5a6c0e7a780c3703a0494b5 [2021-11-25 06:30:01,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:30:01,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:30:01,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:30:01,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:30:01,632 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:30:01,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-2.i [2021-11-25 06:30:01,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/data/cb9dbd3f7/2cd3e5503f114e718f38765d8b03c3e7/FLAG9017103e6 [2021-11-25 06:30:02,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:30:02,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/sv-benchmarks/c/array-memsafety-realloc/array-realloc-2.i [2021-11-25 06:30:02,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/data/cb9dbd3f7/2cd3e5503f114e718f38765d8b03c3e7/FLAG9017103e6 [2021-11-25 06:30:02,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/data/cb9dbd3f7/2cd3e5503f114e718f38765d8b03c3e7 [2021-11-25 06:30:02,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:30:02,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:30:02,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:30:02,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:30:02,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:30:02,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:02" (1/1) ... [2021-11-25 06:30:02,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6445f8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:02, skipping insertion in model container [2021-11-25 06:30:02,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:02" (1/1) ... [2021-11-25 06:30:02,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:30:02,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:30:03,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:30:03,035 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:30:03,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:30:03,137 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:30:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03 WrapperNode [2021-11-25 06:30:03,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:30:03,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:30:03,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:30:03,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:30:03,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,185 INFO L137 Inliner]: procedures = 119, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2021-11-25 06:30:03,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:30:03,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:30:03,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:30:03,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:30:03,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:30:03,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:30:03,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:30:03,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:30:03,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:30:03,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:30:03,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:30:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:30:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:30:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:30:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:30:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 06:30:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:30:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:30:03,480 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:30:03,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:30:03,706 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:30:03,740 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:30:03,740 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:30:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:03 BoogieIcfgContainer [2021-11-25 06:30:03,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:30:03,744 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:30:03,744 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:30:03,758 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:30:03,759 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:03" (1/1) ... [2021-11-25 06:30:03,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:30:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-11-25 06:30:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-25 06:30:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:30:03,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:03,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-25 06:30:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-25 06:30:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:30:04,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:04,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-25 06:30:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-25 06:30:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:30:04,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:04,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-25 06:30:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-25 06:30:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:30:04,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:04,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:04,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2021-11-25 06:30:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-11-25 06:30:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:30:04,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:04,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2021-11-25 06:30:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-25 06:30:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:30:04,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:04,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-25 06:30:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-25 06:30:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:30:05,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:05,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-25 06:30:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-25 06:30:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:30:05,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:05,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-11-25 06:30:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-25 06:30:07,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:30:07,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:07,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2021-11-25 06:30:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2021-11-25 06:30:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:30:08,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:08,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2021-11-25 06:30:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-25 06:30:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:30:10,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:10,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2021-11-25 06:30:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2021-11-25 06:30:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:30:11,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:11,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2021-11-25 06:30:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2021-11-25 06:30:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:30:12,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:12,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2021-11-25 06:30:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2021-11-25 06:30:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:30:13,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:13,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2021-11-25 06:30:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2021-11-25 06:30:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:30:16,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:16,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2021-11-25 06:30:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2021-11-25 06:30:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:30:17,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:17,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:18,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 126 transitions. [2021-11-25 06:30:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 126 transitions. [2021-11-25 06:30:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:30:19,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:19,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:21,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2021-11-25 06:30:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2021-11-25 06:30:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:30:21,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:21,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2021-11-25 06:30:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2021-11-25 06:30:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:30:26,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:26,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 82 states and 169 transitions. [2021-11-25 06:30:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2021-11-25 06:30:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:30:30,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:30,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:30:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2021-11-25 06:30:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2021-11-25 06:30:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:30:38,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:38,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:30:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 94 states and 197 transitions. [2021-11-25 06:30:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 197 transitions. [2021-11-25 06:30:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:30:39,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:30:39,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:30:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:30:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:30:45,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:30:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-25 06:30:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-25 06:30:45,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:30:45,770 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2021-11-25 06:30:45,777 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2021-11-25 06:30:46,123 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2021-11-25 06:30:46,128 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,129 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,130 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,134 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,134 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,136 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-25 06:30:46,137 INFO L560 CodeCheckObserver]: Invariant with dag size 53 [2021-11-25 06:30:46,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,147 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2021-11-25 06:30:46,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,148 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,150 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:30:46 ImpRootNode [2021-11-25 06:30:46,151 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:30:46,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:30:46,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:30:46,152 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:30:46,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:03" (3/4) ... [2021-11-25 06:30:46,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:30:46,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-25 06:30:46,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-25 06:30:46,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 06:30:46,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 06:30:46,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-25 06:30:46,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\valid[#memory_$Pointer$[a][a]] == 1 && 4 <= unknown-#length-unknown[a]) && #memory_$Pointer$[a][a] == 0) && pointer == 0) && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && pointer == a) && #memory_$Pointer$[a][a] + 1 <= unknown-#StackHeapBarrier-unknown) && 1 <= newsize) && a == 0) && \valid[a] == 1) && !(pointer == #memory_$Pointer$[pointer][pointer])) && !(#memory_$Pointer$[pointer][pointer] == 0)) || ((((((((((4 <= unknown-#length-unknown[pointer] && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[pointer] == 1) && pointer == a) && unknown-#StackHeapBarrier-unknown + 1 <= pointer) && a == 0) && a == pointer) && !(pointer == #memory_$Pointer$[pointer][pointer])) && 1 <= num) && newsize == 0) && !(#memory_$Pointer$[pointer][pointer] == 0)) [2021-11-25 06:30:46,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((4 <= unknown-#length-unknown[pointer] && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[pointer] == 1) && pointer == a) && 1 <= newsize) && a == 0) && a == pointer) && !(pointer == #memory_$Pointer$[pointer][pointer])) && !(#memory_$Pointer$[pointer][pointer] == 0) [2021-11-25 06:30:46,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\valid[#memory_$Pointer$[a][a]] == 1 && 4 <= unknown-#length-unknown[a]) && #memory_$Pointer$[a][a] == 0) && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && #memory_$Pointer$[a][a] + 1 <= unknown-#StackHeapBarrier-unknown) && a == 0) && \valid[a] == 1 [2021-11-25 06:30:46,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:30:46,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:30:46,213 INFO L158 Benchmark]: Toolchain (without parser) took 43605.75ms. Allocated memory was 127.9MB in the beginning and 408.9MB in the end (delta: 281.0MB). Free memory was 89.7MB in the beginning and 319.7MB in the end (delta: -230.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,213 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:30:46,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.32ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 95.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.78ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 93.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,215 INFO L158 Benchmark]: Boogie Preprocessor took 33.25ms. Allocated memory is still 127.9MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,216 INFO L158 Benchmark]: RCFGBuilder took 523.14ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 76.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,216 INFO L158 Benchmark]: CodeCheck took 42407.24ms. Allocated memory was 127.9MB in the beginning and 408.9MB in the end (delta: 281.0MB). Free memory was 76.9MB in the beginning and 322.9MB in the end (delta: -245.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,217 INFO L158 Benchmark]: Witness Printer took 60.61ms. Allocated memory is still 408.9MB. Free memory was 322.9MB in the beginning and 319.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:30:46,220 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, 30 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 42.0s, OverallIterations: 23, 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, 1219 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1001 mSDsluCounter, 468 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 448 mSDsCounter, 1576 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6411 IncrementalHoareTripleChecker+Invalid, 7987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1576 mSolverCounterUnsat, 180 mSDtfsCounter, 6411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2394 GetRequests, 1966 SyntacticMatches, 36 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66945 ImplicationChecksByTransitivity, 38.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 1910 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 8/29 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: 576]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 576]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 581]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 581]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 581]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 581]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 581]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 570]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 560]: Loop Invariant [2021-11-25 06:30:46,227 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,227 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,227 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((4 <= unknown-#length-unknown[pointer] && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[pointer] == 1) && pointer == a) && 1 <= newsize) && a == 0) && a == pointer) && !(pointer == #memory_$Pointer$[pointer][pointer])) && !(#memory_$Pointer$[pointer][pointer] == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 558]: Loop Invariant [2021-11-25 06:30:46,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,235 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,236 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((\valid[#memory_$Pointer$[a][a]] == 1 && 4 <= unknown-#length-unknown[a]) && #memory_$Pointer$[a][a] == 0) && pointer == 0) && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && pointer == a) && #memory_$Pointer$[a][a] + 1 <= unknown-#StackHeapBarrier-unknown) && 1 <= newsize) && a == 0) && \valid[a] == 1) && !(pointer == #memory_$Pointer$[pointer][pointer])) && !(#memory_$Pointer$[pointer][pointer] == 0)) || ((((((((((4 <= unknown-#length-unknown[pointer] && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[pointer] == 1) && pointer == a) && unknown-#StackHeapBarrier-unknown + 1 <= pointer) && a == 0) && a == pointer) && !(pointer == #memory_$Pointer$[pointer][pointer])) && 1 <= num) && newsize == 0) && !(#memory_$Pointer$[pointer][pointer] == 0)) - InvariantResult [Line: 557]: Loop Invariant [2021-11-25 06:30:46,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 06:30:46,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 06:30:46,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((\valid[#memory_$Pointer$[a][a]] == 1 && 4 <= unknown-#length-unknown[a]) && #memory_$Pointer$[a][a] == 0) && \valid[#memory_$Pointer$[a][a] := 0][a := 0] == \old(unknown-main_\old_#valid#1-unknown)) && #memory_$Pointer$[a][a] + 1 <= unknown-#StackHeapBarrier-unknown) && a == 0) && \valid[a] == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.32ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 95.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.78ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 93.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.25ms. Allocated memory is still 127.9MB. Free memory was 93.3MB in the beginning and 91.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.14ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 76.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 42407.24ms. Allocated memory was 127.9MB in the beginning and 408.9MB in the end (delta: 281.0MB). Free memory was 76.9MB in the beginning and 322.9MB in the end (delta: -245.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 60.61ms. Allocated memory is still 408.9MB. Free memory was 322.9MB in the beginning and 319.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base RESULT: Ultimate proved your program to be correct! [2021-11-25 06:30:46,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7169dcd6-fec3-4f09-a091-c8f0b03255c1/bin/ukojak-d1pc8ZmBRL/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