./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/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_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a --- 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 16:50:56,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:50:56,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:50:56,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:50:56,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:50:56,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:50:56,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:50:56,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:50:56,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:50:56,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:50:56,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:50:56,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:50:56,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:50:56,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:50:56,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:50:56,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:50:56,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:50:56,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:50:56,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:50:56,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:50:56,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:50:56,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:50:56,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:50:56,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:50:56,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:50:56,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:50:56,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:50:56,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:50:56,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:50:56,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:50:56,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:50:56,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:50:56,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:50:56,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:50:56,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:50:56,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:50:56,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:50:56,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:50:56,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:50:56,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:50:56,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:50:56,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:50:56,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:50:56,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:50:56,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:50:56,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:50:56,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:50:56,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:50:56,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:50:56,472 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:50:56,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:50:56,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:50:56,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:50:56,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:50:56,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:50:56,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:50:56,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:50:56,474 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:50:56,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:50:56,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:50:56,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:50:56,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:50:56,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:50:56,475 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:50:56,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:50:56,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:50:56,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:50:56,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:50:56,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:50:56,477 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:50:56,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:50:56,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:50:56,478 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_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2022-11-20 16:50:56,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:50:56,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:50:56,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:50:56,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:50:56,827 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:50:56,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2022-11-20 16:50:59,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:51:00,058 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:51:00,058 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2022-11-20 16:51:00,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/data/e061a8466/2e529257dd2a44bcb566498e68c1c561/FLAG4d065472d [2022-11-20 16:51:00,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/data/e061a8466/2e529257dd2a44bcb566498e68c1c561 [2022-11-20 16:51:00,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:51:00,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:51:00,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:00,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:51:00,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:51:00,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99aa7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00, skipping insertion in model container [2022-11-20 16:51:00,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:51:00,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:51:00,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:00,466 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:51:00,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:00,533 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:51:00,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00 WrapperNode [2022-11-20 16:51:00,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:00,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:00,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:51:00,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:51:00,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,578 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2022-11-20 16:51:00,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:00,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:51:00,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:51:00,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:51:00,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:51:00,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:51:00,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:51:00,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:51:00,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:00" (1/1) ... [2022-11-20 16:51:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:51:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:51:00,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:51:00,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:51:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:51:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:51:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:51:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:51:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:51:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:51:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:51:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:51:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:51:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure append [2022-11-20 16:51:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2022-11-20 16:51:00,799 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:51:00,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:51:01,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:51:01,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:51:01,234 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:51:01,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:01 BoogieIcfgContainer [2022-11-20 16:51:01,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:51:01,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:51:01,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:51:01,251 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:51:01,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:01" (1/1) ... [2022-11-20 16:51:01,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:51:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:01,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 16:51:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 16:51:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:51:01,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:01,583 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 16:51:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 16:51:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 16:51:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:51:01,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:02,047 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 16:51:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-20 16:51:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 16:51:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:51:02,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:02,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:02,615 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 16:51:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-20 16:51:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-20 16:51:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:51:02,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:02,958 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 16:51:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-20 16:51:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 16:51:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:51:02,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:51:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-11-20 16:51:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-11-20 16:51:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:51:03,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:51:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 34 transitions. [2022-11-20 16:51:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-20 16:51:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:51:03,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:51:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 31 transitions. [2022-11-20 16:51:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 16:51:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:51:04,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:04,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 16:51:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 34 transitions. [2022-11-20 16:51:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-20 16:51:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:51:04,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:04,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 16:51:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 35 transitions. [2022-11-20 16:51:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-20 16:51:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:51:05,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:51:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 34 transitions. [2022-11-20 16:51:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-20 16:51:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:51:05,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 16:51:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 40 transitions. [2022-11-20 16:51:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-20 16:51:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 16:51:06,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 16:51:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 46 transitions. [2022-11-20 16:51:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 16:51:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 16:51:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:07,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 16:51:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 52 transitions. [2022-11-20 16:51:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-11-20 16:51:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:51:08,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:08,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 16:51:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 57 transitions. [2022-11-20 16:51:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-20 16:51:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 16:51:09,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-20 16:51:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 55 transitions. [2022-11-20 16:51:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 16:51:10,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:51:10,168 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-11-20 16:51:10,178 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:51:10,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:51:10,314 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:51:10,319 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:51:10,320 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:51:10,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:51:10 ImpRootNode [2022-11-20 16:51:10,320 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:51:10,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:51:10,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:51:10,321 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:51:10,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:01" (3/4) ... [2022-11-20 16:51:10,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:51:10,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2022-11-20 16:51:10,346 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 16:51:10,348 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:51:10,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:51:10,349 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:51:10,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:51:10,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:51:10,423 INFO L158 Benchmark]: Toolchain (without parser) took 10332.13ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 132.3MB in the beginning and 308.7MB in the end (delta: -176.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,423 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 92.2MB in the beginning and 92.1MB in the end (delta: 95.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.65ms. Allocated memory is still 161.5MB. Free memory was 132.0MB in the beginning and 115.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.10ms. Allocated memory is still 161.5MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,424 INFO L158 Benchmark]: Boogie Preprocessor took 32.04ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:51:10,424 INFO L158 Benchmark]: RCFGBuilder took 628.63ms. Allocated memory is still 161.5MB. Free memory was 111.3MB in the beginning and 86.6MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,425 INFO L158 Benchmark]: CodeCheck took 9079.22ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 86.6MB in the beginning and 311.8MB in the end (delta: -225.2MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,426 INFO L158 Benchmark]: Witness Printer took 101.36ms. Allocated memory is still 362.8MB. Free memory was 311.8MB in the beginning and 308.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:51:10,428 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 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 894 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 435 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1277 IncrementalHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 435 mSolverCounterUnsat, 338 mSDtfsCounter, 1277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2598 GetRequests, 2502 SyntacticMatches, 10 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3284 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 397 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 266/389 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: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: c == 0 || 1 <= c - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 92.2MB in the beginning and 92.1MB in the end (delta: 95.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.65ms. Allocated memory is still 161.5MB. Free memory was 132.0MB in the beginning and 115.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.10ms. Allocated memory is still 161.5MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.04ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.63ms. Allocated memory is still 161.5MB. Free memory was 111.3MB in the beginning and 86.6MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 9079.22ms. Allocated memory was 161.5MB in the beginning and 362.8MB in the end (delta: 201.3MB). Free memory was 86.6MB in the beginning and 311.8MB in the end (delta: -225.2MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. * Witness Printer took 101.36ms. Allocated memory is still 362.8MB. Free memory was 311.8MB in the beginning and 308.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:51:10,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1f7aa6-54ed-448d-b5c9-cd8f2dec78cf/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