./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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_366a1b7e-707f-42fc-a7dc-cf76325f7135/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 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf --- 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 19:32:04,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:32:04,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:32:04,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:32:04,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:32:04,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:32:04,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:32:04,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:32:04,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:32:04,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:32:04,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:32:04,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:32:04,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:32:04,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:32:04,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:32:04,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:32:04,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:32:04,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:32:04,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:32:04,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:32:04,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:32:04,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:32:04,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:32:04,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:32:04,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:32:04,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:32:04,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:32:04,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:32:04,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:32:04,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:32:04,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:32:04,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:32:04,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:32:04,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:32:04,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:32:04,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:32:04,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:32:04,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:32:04,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:32:04,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:32:04,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:32:04,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 19:32:04,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:32:04,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:32:04,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:32:04,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:32:04,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 19:32:04,285 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 19:32:04,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:32:04,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:32:04,286 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:32:04,286 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:32:04,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:32:04,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:32:04,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:32:04,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:32:04,287 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:32:04,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:32:04,287 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_366a1b7e-707f-42fc-a7dc-cf76325f7135/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf [2022-12-14 19:32:04,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:32:04,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:32:04,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:32:04,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:32:04,501 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:32:04,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-12-14 19:32:07,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:32:07,209 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:32:07,209 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-12-14 19:32:07,219 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/cc03ad043/07d213e51233402bb4ddf4d298199646/FLAG4095b8861 [2022-12-14 19:32:07,592 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/cc03ad043/07d213e51233402bb4ddf4d298199646 [2022-12-14 19:32:07,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:32:07,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:32:07,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:32:07,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:32:07,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:32:07,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cb4e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07, skipping insertion in model container [2022-12-14 19:32:07,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:32:07,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:32:07,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:32:07,806 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:32:07,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:32:07,847 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:32:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07 WrapperNode [2022-12-14 19:32:07,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:32:07,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:32:07,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:32:07,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:32:07,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,881 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-12-14 19:32:07,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:32:07,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:32:07,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:32:07,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:32:07,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:32:07,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:32:07,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:32:07,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:32:07,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:32:07" (1/1) ... [2022-12-14 19:32:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:32:07,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:32:07,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:32:07,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:32:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:32:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:32:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:32:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:32:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:32:08,041 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:32:08,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:32:08,145 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:32:08,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:32:08,199 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:32:08,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:32:08 BoogieIcfgContainer [2022-12-14 19:32:08,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:32:08,202 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:32:08,202 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:32:08,210 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:32:08,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:32:08" (1/1) ... [2022-12-14 19:32:08,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:32:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 19:32:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 19:32:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:32:08,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:08,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:08,536 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 19:32:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 19:32:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 19:32:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:32:08,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:08,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:08,814 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 19:32:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 19:32:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 19:32:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:32:09,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:09,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:09,189 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 19:32:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 19:32:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 19:32:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:32:09,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:09,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:09,468 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 19:32:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 19:32:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 19:32:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:32:09,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:32:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 19:32:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 19:32:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:32:10,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:32:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 19:32:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 19:32:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:32:12,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:12,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:12,775 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 19:32:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-12-14 19:32:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-12-14 19:32:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:32:13,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:13,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:32:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2022-12-14 19:32:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2022-12-14 19:32:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:32:20,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:32:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2022-12-14 19:32:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2022-12-14 19:32:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:32:34,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:34,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:32:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2022-12-14 19:32:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2022-12-14 19:32:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:32:34,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:33:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:33:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 118 transitions. [2022-12-14 19:33:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2022-12-14 19:33:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:33:13,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:33:13,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:33:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:33:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:33:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:33:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2022-12-14 19:33:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2022-12-14 19:33:31,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:33:31,189 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-12-14 19:33:31,194 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-12-14 19:33:33,506 INFO L560 CodeCheckObserver]: Invariant with dag size 80 [2022-12-14 19:33:33,519 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 19:33:33,519 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:520) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:33:33,521 INFO L158 Benchmark]: Toolchain (without parser) took 85922.99ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 90.0MB in the beginning and 72.3MB in the end (delta: 17.7MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,522 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:33:33,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.45ms. Allocated memory is still 119.5MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.60ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,523 INFO L158 Benchmark]: Boogie Preprocessor took 22.52ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 71.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,523 INFO L158 Benchmark]: RCFGBuilder took 296.10ms. Allocated memory is still 119.5MB. Free memory was 71.0MB in the beginning and 57.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,523 INFO L158 Benchmark]: CodeCheck took 85318.78ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 72.3MB in the end (delta: -15.1MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-12-14 19:33:33,525 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, 13 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 83.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 492 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1998 IncrementalHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 492 mSolverCounterUnsat, 130 mSDtfsCounter, 1998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1560 GetRequests, 1181 SyntacticMatches, 57 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41636 ImplicationChecksByTransitivity, 78.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 2493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 39/106 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: 559]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p + 2 <= unknown-#length-unknown[p]) && 18446744073709551616 * ((18446744073709551615 + p + n + -unknown-#length-unknown[p]) / 18446744073709551616) + unknown-#length-unknown[p] <= p + 18446744073709551614 + (-1 + n) / 18446744073709551616 * 18446744073709551616) && 1 <= p) && \valid[p] == 1) && p + n <= unknown-#length-unknown[p] + 18446744073709551616 * ((p + n + -unknown-#length-unknown[p]) / 18446744073709551616)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0) || (((((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && n <= 1) && 18446744073709551616 * ((18446744073709551615 + p + n + -unknown-#length-unknown[p]) / 18446744073709551616) + unknown-#length-unknown[p] <= p + 18446744073709551614 + (-1 + n) / 18446744073709551616 * 18446744073709551616) && 1 <= p) && p + 1 <= unknown-#length-unknown[p]) && \valid[p] == 1) && 1 <= n) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0)) || (((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p + 2 <= unknown-#length-unknown[p]) && p + n <= (-1 + n) / 18446744073709551616 * 18446744073709551616 + unknown-#length-unknown[p] + 18446744073709551616 * ((p + -unknown-#length-unknown[p] + 18446744073709551613) / 18446744073709551616)) && 2 <= p) && \valid[p] == 1) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0)) || ((((((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p + 1 <= unknown-#length-unknown[p]) && 0 <= n / 18446744073709551616) && \valid[p] == 1) && p + n <= unknown-#length-unknown[p] + (n + -unknown-#length-unknown[p]) / 18446744073709551616 * 18446744073709551616) && 0 <= p) && n <= (2147483647 + -unknown-#length-unknown[p]) / 18446744073709551616 * 18446744073709551616 + unknown-#length-unknown[p]) && !(n <= 18446744073709551616 * (n / 18446744073709551616))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0)) || (((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p + n <= (-1 + n) / 18446744073709551616 * 18446744073709551616 + unknown-#length-unknown[p] + 18446744073709551616 * ((p + -unknown-#length-unknown[p] + 2147483646) / 18446744073709551616)) && p + 1 <= unknown-#length-unknown[p]) && 2 <= p) && \valid[p] == 1) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0) - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.45ms. Allocated memory is still 119.5MB. Free memory was 89.6MB in the beginning and 74.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.60ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.52ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 71.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.10ms. Allocated memory is still 119.5MB. Free memory was 71.0MB in the beginning and 57.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 85318.78ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 72.3MB in the end (delta: -15.1MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:33:33,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf --- 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 19:33:35,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:33:35,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:33:35,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:33:35,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:33:35,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:33:35,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:33:35,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:33:35,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:33:35,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:33:35,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:33:35,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:33:35,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:33:35,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:33:35,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:33:35,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:33:35,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:33:35,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:33:35,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:33:35,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:33:35,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:33:35,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:33:35,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:33:35,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:33:35,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:33:35,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:33:35,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:33:35,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:33:35,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:33:35,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:33:35,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:33:35,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:33:35,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:33:35,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:33:35,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:33:35,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:33:35,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:33:35,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:33:35,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:33:35,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:33:35,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:33:35,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2022-12-14 19:33:35,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:33:35,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:33:35,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:33:35,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 19:33:35,155 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:33:35,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:33:35,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:33:35,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:33:35,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 19:33:35,157 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_366a1b7e-707f-42fc-a7dc-cf76325f7135/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf [2022-12-14 19:33:35,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:33:35,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:33:35,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:33:35,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:33:35,384 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:33:35,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-12-14 19:33:37,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:33:38,124 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:33:38,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-12-14 19:33:38,133 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/e36eb1fee/a269e8bee4394b3cb5ba9614be048b2c/FLAGcfa46da9e [2022-12-14 19:33:38,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/data/e36eb1fee/a269e8bee4394b3cb5ba9614be048b2c [2022-12-14 19:33:38,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:33:38,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:33:38,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:33:38,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:33:38,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:33:38,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72127d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38, skipping insertion in model container [2022-12-14 19:33:38,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:33:38,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:33:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:33:38,743 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:33:38,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:33:38,807 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:33:38,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38 WrapperNode [2022-12-14 19:33:38,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:33:38,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:33:38,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:33:38,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:33:38,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,845 INFO L138 Inliner]: procedures = 112, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-12-14 19:33:38,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:33:38,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:33:38,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:33:38,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:33:38,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:33:38,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:33:38,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:33:38,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:33:38,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:33:38" (1/1) ... [2022-12-14 19:33:38,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:33:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:33:38,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:33:38,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:33:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 19:33:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:33:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:33:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:33:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:33:39,020 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:33:39,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:33:39,147 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:33:39,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:33:39,196 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:33:39,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:33:39 BoogieIcfgContainer [2022-12-14 19:33:39,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:33:39,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:33:39,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:33:39,207 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:33:39,208 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:33:39" (1/1) ... [2022-12-14 19:33:39,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:33:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:33:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 19:33:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 19:33:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:33:39,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:33:39,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:33:39,284 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:33:39,287 INFO L158 Benchmark]: Toolchain (without parser) took 801.55ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 40.5MB in the end (delta: 5.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-14 19:33:39,287 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:33:39,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.3MB in the end (delta: -151.1kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-14 19:33:39,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.74ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 44.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:33:39,288 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:33:39,289 INFO L158 Benchmark]: RCFGBuilder took 331.35ms. Allocated memory is still 69.2MB. Free memory was 42.7MB in the beginning and 46.6MB in the end (delta: -3.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-12-14 19:33:39,289 INFO L158 Benchmark]: CodeCheck took 87.71ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 40.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 19:33:39,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.3MB in the end (delta: -151.1kB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.74ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 44.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.35ms. Allocated memory is still 69.2MB. Free memory was 42.7MB in the beginning and 46.6MB in the end (delta: -3.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * CodeCheck took 87.71ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 40.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:33:39,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a1b7e-707f-42fc-a7dc-cf76325f7135/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared