./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3f2d13c78d25176694a62cbb92a7cb676735e2350dda904e35c5c69ea362e5 --- 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-dbf71c6-m [2022-10-17 17:04:41,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:41,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:41,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:41,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:41,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:41,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:42,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:42,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:42,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:42,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:42,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:42,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:42,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:42,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:42,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:42,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:42,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:42,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:42,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:42,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:42,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:42,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:42,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:42,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:42,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:42,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:42,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:42,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:42,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:42,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:42,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:42,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:42,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:42,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:42,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:42,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:42,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:42,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:42,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:42,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:42,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:42,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:42,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:42,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:42,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:42,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:42,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:42,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:42,073 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:42,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:42,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:42,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:42,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:42,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:42,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:42,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:42,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:42,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:42,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:42,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:42,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:42,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:42,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:42,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:42,077 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_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a3f2d13c78d25176694a62cbb92a7cb676735e2350dda904e35c5c69ea362e5 [2022-10-17 17:04:42,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:42,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:42,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:42,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:42,404 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:42,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/sum01-2.i [2022-10-17 17:04:42,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/data/f00624354/2b549e6fe2994495a8be9c6945e5d211/FLAGc69712235 [2022-10-17 17:04:42,963 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:42,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/sv-benchmarks/c/loops/sum01-2.i [2022-10-17 17:04:42,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/data/f00624354/2b549e6fe2994495a8be9c6945e5d211/FLAGc69712235 [2022-10-17 17:04:43,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/data/f00624354/2b549e6fe2994495a8be9c6945e5d211 [2022-10-17 17:04:43,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:43,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:43,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:43,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:43,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:43,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597af3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43, skipping insertion in model container [2022-10-17 17:04:43,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:43,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:43,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/sv-benchmarks/c/loops/sum01-2.i[849,862] [2022-10-17 17:04:43,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:43,637 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:43,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/sv-benchmarks/c/loops/sum01-2.i[849,862] [2022-10-17 17:04:43,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:43,675 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:43,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43 WrapperNode [2022-10-17 17:04:43,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:43,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:43,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:43,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:43,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,715 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2022-10-17 17:04:43,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:43,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:43,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:43,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:43,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:43,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:43,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:43,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:43,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:43" (1/1) ... [2022-10-17 17:04:43,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:43,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:43,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:43,926 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:43,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:44,023 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:44,048 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:44,048 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:04:44,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:44 BoogieIcfgContainer [2022-10-17 17:04:44,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:44,052 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:44,052 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:44,063 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:44,063 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:44" (1/1) ... [2022-10-17 17:04:44,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:04:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:04:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:04:44,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:44,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 17:04:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 17:04:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:04:44,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2022-10-17 17:04:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2022-10-17 17:04:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:45,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2022-10-17 17:04:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2022-10-17 17:04:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:45,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:45,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2022-10-17 17:04:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2022-10-17 17:04:46,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:04:46,427 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 17:04:46,441 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:04:46,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:04:46,528 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-10-17 17:04:46,539 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:04:46,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:04:46 ImpRootNode [2022-10-17 17:04:46,540 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:04:46,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:04:46,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:04:46,545 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:04:46,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:44" (3/4) ... [2022-10-17 17:04:46,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:04:46,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:04:46,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:04:46,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:04:46,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:04:46,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:04:46,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:04:46,618 INFO L158 Benchmark]: Toolchain (without parser) took 3260.54ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 90.2MB in the end (delta: -23.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,619 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:46,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.30ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 76.8MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,621 INFO L158 Benchmark]: Boogie Preprocessor took 35.81ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 74.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,622 INFO L158 Benchmark]: RCFGBuilder took 297.89ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 64.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,622 INFO L158 Benchmark]: CodeCheck took 2489.39ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 92.3MB in the end (delta: -28.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,623 INFO L158 Benchmark]: Witness Printer took 72.61ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:46,627 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 7 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 212 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/7 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (i == 1 && sn == 0) || ((2 + sn <= 2 * i && 2 * i <= 2 + sn) && sn < 2 * n + 1) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.30ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 76.8MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.81ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 74.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.89ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 64.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2489.39ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 92.3MB in the end (delta: -28.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 72.61ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:04:46,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322b00ee-882c-46ea-81d8-f18b867a7c2b/bin/ukojak-92XMlrwhuB/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