./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- 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 16:59:50,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:50,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:50,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:50,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:50,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:50,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:50,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:50,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:50,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:50,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:50,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:50,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:50,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:50,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:50,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:50,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:50,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:50,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:50,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:50,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:50,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:50,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:50,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:50,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:50,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:50,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:50,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:50,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:50,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:50,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:50,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:50,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:50,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:50,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:50,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:50,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:50,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:50,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:50,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:50,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:50,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:50,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:50,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:50,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:50,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:50,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:50,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:50,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:50,347 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:50,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:50,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:50,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:50,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:50,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:50,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:50,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:50,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:50,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:50,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:50,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:50,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:50,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:50,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:50,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:50,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:50,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:50,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:50,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:50,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:50,354 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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-10-17 16:59:50,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:50,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:50,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:50,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:50,669 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:50,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/large_const.i [2022-10-17 16:59:50,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/data/023896250/9d8a51d9b22c4bdc8f3c5c88c070a6ca/FLAGc0e76b194 [2022-10-17 16:59:51,255 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:51,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/sv-benchmarks/c/loop-invgen/large_const.i [2022-10-17 16:59:51,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/data/023896250/9d8a51d9b22c4bdc8f3c5c88c070a6ca/FLAGc0e76b194 [2022-10-17 16:59:51,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/data/023896250/9d8a51d9b22c4bdc8f3c5c88c070a6ca [2022-10-17 16:59:51,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:51,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:51,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:51,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:51,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66854d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51, skipping insertion in model container [2022-10-17 16:59:51,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:51,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:51,808 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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-10-17 16:59:51,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:51,840 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:51,858 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_53664b64-198a-4174-8fbc-9dc2ec1edbb1/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-10-17 16:59:51,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:51,881 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:51,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51 WrapperNode [2022-10-17 16:59:51,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:51,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:51,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:51,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:51,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,916 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:59:51,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:51,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:51,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:51,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:51,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:51,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:51,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:51,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:51,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:51" (1/1) ... [2022-10-17 16:59:51,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:51,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:51,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:51,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:52,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:52,088 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:52,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:52,230 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:52,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:52,282 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:59:52,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:52 BoogieIcfgContainer [2022-10-17 16:59:52,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:52,288 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:52,288 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:52,301 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:52,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:52" (1/1) ... [2022-10-17 16:59:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:59:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:59:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:59:52,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:52,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:52,755 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 16:59:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-10-17 16:59:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-10-17 16:59:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:52,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:52,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:53,254 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 16:59:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2022-10-17 16:59:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2022-10-17 16:59:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:53,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2022-10-17 16:59:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2022-10-17 16:59:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:54,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:59:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:59:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:54,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-10-17 16:59:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-10-17 16:59:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:55,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-10-17 16:59:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-10-17 16:59:55,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:59:55,926 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-10-17 16:59:55,935 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:59:56,026 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-10-17 16:59:56,037 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:59:56,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:59:56,038 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-10-17 16:59:56,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:59:56 ImpRootNode [2022-10-17 16:59:56,039 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:59:56,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:59:56,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:59:56,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:59:56,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:52" (3/4) ... [2022-10-17 16:59:56,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:59:56,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:59:56,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:59:56,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:59:56,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:59:56,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:59:56,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:59:56,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:59:56,112 INFO L158 Benchmark]: Toolchain (without parser) took 4511.33ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 83.2MB in the beginning and 98.5MB in the end (delta: -15.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,112 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:56,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.68ms. Allocated memory is still 121.6MB. Free memory was 83.0MB in the beginning and 93.4MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.03ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,115 INFO L158 Benchmark]: Boogie Preprocessor took 23.02ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 90.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:56,116 INFO L158 Benchmark]: RCFGBuilder took 342.93ms. Allocated memory is still 121.6MB. Free memory was 90.5MB in the beginning and 78.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,117 INFO L158 Benchmark]: CodeCheck took 3751.60ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 78.3MB in the beginning and 101.7MB in the end (delta: -23.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,118 INFO L158 Benchmark]: Witness Printer took 70.71ms. Allocated memory is still 165.7MB. Free memory was 101.7MB in the beginning and 98.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:59:56,123 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 58 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 487 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1902 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 12/20 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 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((!(i == 0) && n <= i) && 2000 <= k) && n <= 1) || ((((i == 0 && 2000 <= c2) && 4000 <= c1) && k == 0) && 10000 <= c3) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: j == 0 && n <= 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((2000 <= k && j == 0) && n <= 1) || n <= j * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.68ms. Allocated memory is still 121.6MB. Free memory was 83.0MB in the beginning and 93.4MB in the end (delta: -10.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.03ms. Allocated memory is still 121.6MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.02ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 90.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.93ms. Allocated memory is still 121.6MB. Free memory was 90.5MB in the beginning and 78.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3751.60ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 78.3MB in the beginning and 101.7MB in the end (delta: -23.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 70.71ms. Allocated memory is still 165.7MB. Free memory was 101.7MB in the beginning and 98.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:59:56,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53664b64-198a-4174-8fbc-9dc2ec1edbb1/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