./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 17:55:40,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:55:40,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:55:40,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:55:40,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:55:40,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:55:40,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:55:40,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:55:40,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:55:40,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:55:40,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:55:40,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:55:40,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:55:40,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:55:40,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:55:40,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:55:40,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:55:40,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:55:40,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:55:40,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:55:40,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:55:40,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:55:40,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:55:40,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:55:40,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:55:40,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:55:40,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:55:40,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:55:40,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:55:40,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:55:40,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:55:40,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:55:40,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:55:40,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:55:40,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:55:40,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:55:40,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:55:40,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:55:40,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:55:40,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:55:40,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:55:40,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 17:55:40,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:55:40,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:55:40,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:55:40,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:55:40,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:55:40,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 17:55:40,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:55:40,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:55:40,380 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 17:55:40,381 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 17:55:40,381 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 17:55:40,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:55:40,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:55:40,381 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:55:40,382 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:55:40,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:55:40,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:40,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:55:40,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:55:40,383 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:55:40,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:55:40,383 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_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b [2022-12-14 17:55:40,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:55:40,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:55:40,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:55:40,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:55:40,596 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:55:40,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-12-14 17:55:43,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:55:43,220 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:55:43,221 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-12-14 17:55:43,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/data/57690303e/ca7be057cc374fdbb2515a19fde10519/FLAG1d723e6ba [2022-12-14 17:55:43,239 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/data/57690303e/ca7be057cc374fdbb2515a19fde10519 [2022-12-14 17:55:43,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:55:43,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:55:43,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:43,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:55:43,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:55:43,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5890fc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43, skipping insertion in model container [2022-12-14 17:55:43,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:55:43,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:55:43,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:43,445 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:55:43,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:43,483 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:55:43,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43 WrapperNode [2022-12-14 17:55:43,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:43,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:43,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:55:43,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:55:43,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,511 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-14 17:55:43,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:43,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:55:43,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:55:43,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:55:43,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:55:43,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:55:43,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:55:43,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:55:43,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:43,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:55:43,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:55:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:55:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 17:55:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 17:55:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 17:55:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 17:55:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:55:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:55:43,679 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:55:43,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:55:43,838 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:55:43,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:55:43,870 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 17:55:43,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:43 BoogieIcfgContainer [2022-12-14 17:55:43,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:55:43,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:55:43,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:55:43,885 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:55:43,885 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:43" (1/1) ... [2022-12-14 17:55:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:55:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-12-14 17:55:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-12-14 17:55:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 17:55:43,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2022-12-14 17:55:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-12-14 17:55:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 17:55:44,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2022-12-14 17:55:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2022-12-14 17:55:44,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 17:55:44,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2022-12-14 17:55:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2022-12-14 17:55:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 17:55:44,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:44,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2022-12-14 17:55:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-12-14 17:55:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 17:55:44,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:45,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2022-12-14 17:55:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-12-14 17:55:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 17:55:45,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2022-12-14 17:55:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-12-14 17:55:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 17:55:45,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2022-12-14 17:55:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-14 17:55:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 17:55:45,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2022-12-14 17:55:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-12-14 17:55:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:55:46,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:46,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2022-12-14 17:55:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-12-14 17:55:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:55:46,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-12-14 17:55:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 17:55:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:55:46,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2022-12-14 17:55:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-12-14 17:55:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 17:55:47,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-12-14 17:55:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-12-14 17:55:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 17:55:48,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2022-12-14 17:55:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-14 17:55:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 17:55:48,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:48,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-12-14 17:55:49,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-12-14 17:55:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 17:55:49,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:49,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2022-12-14 17:55:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2022-12-14 17:55:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 17:55:50,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:50,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2022-12-14 17:55:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2022-12-14 17:55:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:55:50,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:50,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2022-12-14 17:55:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2022-12-14 17:55:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:55:50,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2022-12-14 17:55:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2022-12-14 17:55:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:55:50,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2022-12-14 17:55:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-14 17:55:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:55:50,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2022-12-14 17:55:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2022-12-14 17:55:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:55:51,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2022-12-14 17:55:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2022-12-14 17:55:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:55:51,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:51,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2022-12-14 17:55:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2022-12-14 17:55:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:55:51,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2022-12-14 17:55:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2022-12-14 17:55:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:55:52,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:52,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2022-12-14 17:55:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2022-12-14 17:55:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 17:55:53,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:53,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 97 transitions. [2022-12-14 17:55:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2022-12-14 17:55:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:55:53,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:53,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-12-14 17:55:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-12-14 17:55:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:55:54,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2022-12-14 17:55:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-12-14 17:55:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:55:54,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:54,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2022-12-14 17:55:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-12-14 17:55:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:55:54,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:55,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2022-12-14 17:55:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2022-12-14 17:55:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 17:55:55,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 17:55:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2022-12-14 17:55:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2022-12-14 17:55:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 17:55:56,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 17:55:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2022-12-14 17:55:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2022-12-14 17:55:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 17:55:56,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:56,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 17:55:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 128 transitions. [2022-12-14 17:55:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 128 transitions. [2022-12-14 17:55:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 17:55:56,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 17:55:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2022-12-14 17:55:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2022-12-14 17:55:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 17:55:56,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:56,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 17:55:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 17:55:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 17:55:57,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:55:57,786 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2022-12-14 17:55:57,791 INFO L754 CodeCheckObserver]: All specifications hold 25 specifications checked. All of them hold [2022-12-14 17:55:58,062 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 17:55:58,070 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 17:55:58,070 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-12-14 17:55:58,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:55:58 ImpRootNode [2022-12-14 17:55:58,073 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:55:58,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:55:58,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:55:58,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:55:58,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:43" (3/4) ... [2022-12-14 17:55:58,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:55:58,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 17:55:58,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 17:55:58,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 17:55:58,083 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:55:58,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int))) && y_ref == 0) && \valid[x_ref] == 1) && i + 4 <= unknown-#length-unknown[i]) && i == 0) && x_ref == 0) && \valid[y_ref] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && 4 <= unknown-#length-unknown[y_ref]) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[i] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-12-14 17:55:58,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 17:55:58,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 17:55:58,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:55:58,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:55:58,119 INFO L158 Benchmark]: Toolchain (without parser) took 14877.40ms. Allocated memory is still 148.9MB. Free memory was 107.0MB in the beginning and 62.0MB in the end (delta: 45.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,119 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:55:58,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.41ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 91.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.65ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 89.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,120 INFO L158 Benchmark]: Boogie Preprocessor took 17.03ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 88.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:55:58,121 INFO L158 Benchmark]: RCFGBuilder took 343.47ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 71.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,121 INFO L158 Benchmark]: CodeCheck took 14199.84ms. Allocated memory is still 148.9MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,122 INFO L158 Benchmark]: Witness Printer took 45.38ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 62.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:55:58,124 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, 44 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3693 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3389 mSDsluCounter, 2309 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1850 mSDsCounter, 1404 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8595 IncrementalHoareTripleChecker+Invalid, 9999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1404 mSolverCounterUnsat, 459 mSDtfsCounter, 8595 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2941 GetRequests, 2588 SyntacticMatches, 99 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33937 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 2981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((((((((((!(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int))) && y_ref == 0) && \valid[x_ref] == 1) && i + 4 <= unknown-#length-unknown[i]) && i == 0) && x_ref == 0) && \valid[y_ref] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && 4 <= unknown-#length-unknown[y_ref]) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[i] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.41ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 91.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.65ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 89.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.03ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 88.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.47ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 71.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14199.84ms. Allocated memory is still 148.9MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 45.38ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 62.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:55:58,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7374f0c-8b3e-4fa8-a3f9-5124b85f6b84/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE