./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ --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 c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 --- 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-6b4ec56 [2022-11-20 17:09:07,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:07,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:07,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:07,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:07,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:07,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:07,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:07,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:07,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:07,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:07,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:07,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:07,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:07,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:07,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:07,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:07,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:07,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:07,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:07,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:07,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:07,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:07,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:07,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:07,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:07,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:07,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:07,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:07,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:07,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:07,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:07,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:07,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:07,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:07,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:07,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:07,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:07,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:07,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:07,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:07,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:09:07,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:07,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:07,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:07,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:07,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:07,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:07,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:07,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:07,320 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:09:07,321 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:09:07,321 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:09:07,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:07,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:07,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:07,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:07,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:07,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:07,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:07,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:07,324 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:07,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:07,325 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_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 [2022-11-20 17:09:07,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:07,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:07,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:07,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:07,692 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:07,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-11-20 17:09:10,944 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:11,258 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:11,259 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-11-20 17:09:11,270 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/data/174a02dd1/83b2f5e392bc433bb4979d0b83afe899/FLAG9333c3538 [2022-11-20 17:09:11,283 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/data/174a02dd1/83b2f5e392bc433bb4979d0b83afe899 [2022-11-20 17:09:11,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:11,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:11,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:11,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:11,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:11,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e04a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11, skipping insertion in model container [2022-11-20 17:09:11,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:11,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:11,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:11,643 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:11,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:11,739 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:11,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11 WrapperNode [2022-11-20 17:09:11,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:11,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:11,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:11,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:11,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,783 INFO L138 Inliner]: procedures = 111, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-11-20 17:09:11,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:11,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:11,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:11,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:11,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:11,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:11,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:11,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:11,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:11" (1/1) ... [2022-11-20 17:09:11,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:11,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:11,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:09:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:09:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:09:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:09:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:12,077 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:12,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:12,263 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:12,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:12,317 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:09:12,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:12 BoogieIcfgContainer [2022-11-20 17:09:12,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:12,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:12,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:12,345 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:12,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:12" (1/1) ... [2022-11-20 17:09:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:09:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2022-11-20 17:09:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-20 17:09:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:09:12,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:12,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:12,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2022-11-20 17:09:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-20 17:09:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:09:12,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2022-11-20 17:09:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-20 17:09:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:09:13,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:13,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-11-20 17:09:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-20 17:09:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:09:13,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:13,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2022-11-20 17:09:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-20 17:09:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:09:13,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-11-20 17:09:13,844 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-20 17:09:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:09:13,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2022-11-20 17:09:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-20 17:09:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:14,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-20 17:09:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-20 17:09:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:14,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:14,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-20 17:09:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-20 17:09:14,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:14,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-11-20 17:09:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-20 17:09:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:15,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-11-20 17:09:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-20 17:09:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:15,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2022-11-20 17:09:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-11-20 17:09:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:16,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2022-11-20 17:09:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2022-11-20 17:09:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:16,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2022-11-20 17:09:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-11-20 17:09:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:09:16,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-11-20 17:09:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-11-20 17:09:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:09:16,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-20 17:09:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-20 17:09:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:09:16,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2022-11-20 17:09:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-11-20 17:09:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:09:16,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-11-20 17:09:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-11-20 17:09:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:09:16,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-20 17:09:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-20 17:09:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:09:16,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:09:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:09:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:09:16,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:09:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:09:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:09:17,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:09:17,046 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 17:09:17,055 INFO L754 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2022-11-20 17:09:17,182 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-11-20 17:09:17,199 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:09:17,200 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-11-20 17:09:17,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:09:17 ImpRootNode [2022-11-20 17:09:17,203 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:09:17,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:09:17,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:09:17,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:09:17,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:12" (3/4) ... [2022-11-20 17:09:17,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:09:17,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 17:09:17,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:09:17,225 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:09:17,225 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:09:17,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((res + 4 <= unknown-#length-unknown[res] && \valid[x_ref] == 1) && x_ref == 0) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 [2022-11-20 17:09:17,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 [2022-11-20 17:09:17,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:09:17,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:09:17,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:09:17,289 INFO L158 Benchmark]: Toolchain (without parser) took 6001.82ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 115.3MB in the beginning and 84.1MB in the end (delta: 31.2MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,291 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:17,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.03ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 100.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.81ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,292 INFO L158 Benchmark]: Boogie Preprocessor took 54.29ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:17,292 INFO L158 Benchmark]: RCFGBuilder took 480.01ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,292 INFO L158 Benchmark]: CodeCheck took 4881.94ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 82.3MB in the beginning and 87.3MB in the end (delta: -5.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,293 INFO L158 Benchmark]: Witness Printer took 84.74ms. Allocated memory is still 190.8MB. Free memory was 87.3MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:09:17,296 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, 29 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 782 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 540 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2171 IncrementalHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 428 mSolverCounterUnsat, 106 mSDtfsCounter, 2171 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1076 GetRequests, 966 SyntacticMatches, 26 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3267 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 4/4 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: 559]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((res + 4 <= unknown-#length-unknown[res] && \valid[x_ref] == 1) && x_ref == 0) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 148.9MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.03ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 100.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.81ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.29ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.01ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 4881.94ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 82.3MB in the beginning and 87.3MB in the end (delta: -5.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 84.74ms. Allocated memory is still 190.8MB. Free memory was 87.3MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:09:17,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656639e8-5fc8-40b5-9e24-abcfb53891c3/bin/ukojak-pZX7IvK2PQ/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