./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --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_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/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_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/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_abfdb111-3742-4f5f-b7bd-f6523796f89f/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 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 --- 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 17:01:46,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:46,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:46,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:46,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:46,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:46,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:46,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:46,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:46,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:46,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:46,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:46,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:46,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:46,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:46,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:46,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:46,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:46,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:46,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:46,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:46,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:46,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:46,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:46,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:46,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:46,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:46,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:46,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:46,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:46,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:46,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:46,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:46,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:46,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:46,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:46,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:46,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:46,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:46,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:46,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:46,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:46,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:46,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:46,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:46,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:46,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:46,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:46,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:46,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:46,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:46,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:46,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:46,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:46,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:46,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:46,311 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:46,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:46,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:46,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:46,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:46,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:46,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:46,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:46,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:46,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:46,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:46,313 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:46,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:46,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:46,314 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_abfdb111-3742-4f5f-b7bd-f6523796f89f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c06ffe4451efc19431b7b50aeafd7da4d885b78d7f0fdbbfb76228ce66142 [2022-10-17 17:01:46,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:46,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:46,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:46,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:46,682 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:46,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2022-10-17 17:01:46,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/data/f2d2c32fd/7ac6e96c530a4836936d4dcf5cb25920/FLAG1d064c56b [2022-10-17 17:01:47,277 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:47,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2022-10-17 17:01:47,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/data/f2d2c32fd/7ac6e96c530a4836936d4dcf5cb25920/FLAG1d064c56b [2022-10-17 17:01:47,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/data/f2d2c32fd/7ac6e96c530a4836936d4dcf5cb25920 [2022-10-17 17:01:47,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:47,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:47,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:47,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:47,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:47,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcbb0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47, skipping insertion in model container [2022-10-17 17:01:47,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:47,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:47,896 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_abfdb111-3742-4f5f-b7bd-f6523796f89f/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2022-10-17 17:01:47,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:47,908 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:47,923 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_abfdb111-3742-4f5f-b7bd-f6523796f89f/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c[628,641] [2022-10-17 17:01:47,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:47,936 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:47,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47 WrapperNode [2022-10-17 17:01:47,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:47,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:47,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:47,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:47,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,970 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 17:01:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:47,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:47,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:47,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:47,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,994 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:47,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:47,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:47,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:48,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:48,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:47" (1/1) ... [2022-10-17 17:01:48,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:48,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:48,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-17 17:01:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-17 17:01:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:48,160 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:48,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:48,295 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:48,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:48,310 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:01:48,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:48 BoogieIcfgContainer [2022-10-17 17:01:48,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:48,317 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:48,318 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:48,334 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:48,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:48" (1/1) ... [2022-10-17 17:01:48,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:01:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:01:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:48,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:48,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,228 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 17:01:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 17:01:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 17:01:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:49,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 19 transitions. [2022-10-17 17:01:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 17:01:50,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:01:50,825 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-10-17 17:01:50,834 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:01:50,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:50 ImpRootNode [2022-10-17 17:01:50,884 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:50,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:50,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:50,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:50,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:48" (3/4) ... [2022-10-17 17:01:50,891 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:01:50,898 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-10-17 17:01:50,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:01:50,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:01:50,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:01:50,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:01:50,966 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:50,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:50,967 INFO L158 Benchmark]: Toolchain (without parser) took 3307.42ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 60.6MB in the beginning and 102.5MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:50,968 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:50,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.83ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 75.1MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:50,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.35ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:50,970 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 72.9MB in the end (delta: 830.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:50,972 INFO L158 Benchmark]: RCFGBuilder took 317.62ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 63.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:50,973 INFO L158 Benchmark]: CodeCheck took 2567.18ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.2MB in the beginning and 104.6MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:50,974 INFO L158 Benchmark]: Witness Printer took 81.08ms. Allocated memory is still 130.0MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:50,981 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, 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, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 16 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 168 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.83ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 75.1MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.35ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 72.9MB in the end (delta: 830.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.62ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 63.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2567.18ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.2MB in the beginning and 104.6MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.08ms. Allocated memory is still 130.0MB. Free memory was 104.6MB in the beginning and 102.5MB 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 17:01:51,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdb111-3742-4f5f-b7bd-f6523796f89f/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