./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:39:55,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:39:55,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:39:55,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:39:55,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:39:55,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:39:55,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:39:55,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:39:55,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:39:55,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:39:55,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:39:55,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:39:55,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:39:55,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:39:55,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:39:55,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:39:55,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:39:55,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:39:55,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:39:55,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:39:55,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:39:55,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:39:55,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:39:55,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:39:55,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:39:55,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:39:55,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:39:55,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:39:55,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:39:55,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:39:55,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:39:55,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:39:55,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:39:55,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:39:55,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:39:55,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:39:55,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:39:55,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:39:55,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:39:55,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:39:55,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:39:55,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:39:55,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:39:55,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:39:55,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:39:55,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:39:55,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:39:55,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:39:55,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:39:55,432 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:39:55,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:39:55,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:39:55,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:39:55,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:39:55,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:39:55,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:39:55,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:39:55,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:39:55,435 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:39:55,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:39:55,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:39:55,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:39:55,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:39:55,437 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:39:55,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:39:55,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:39:55,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:39:55,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:39:55,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:39:55,439 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:39:55,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:39:55,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:39:55,440 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_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2022-11-20 17:39:55,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:39:55,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:39:55,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:39:55,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:39:55,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:39:55,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2022-11-20 17:39:58,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:39:58,946 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:39:58,946 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/sv-benchmarks/c/loop-lit/cggmp2005.i [2022-11-20 17:39:58,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/data/150159abc/96830e0a7ff0410b9c166708f9661196/FLAG2050ff15f [2022-11-20 17:39:58,968 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/data/150159abc/96830e0a7ff0410b9c166708f9661196 [2022-11-20 17:39:58,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:39:58,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:39:58,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:39:58,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:39:58,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:39:58,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:58" (1/1) ... [2022-11-20 17:39:58,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4d2289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:58, skipping insertion in model container [2022-11-20 17:39:58,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:39:58" (1/1) ... [2022-11-20 17:39:58,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:39:59,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:39:59,155 WARN L237 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_e1f09c46-2426-4a90-9b7d-26d01f592914/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-11-20 17:39:59,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:39:59,173 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:39:59,189 WARN L237 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_e1f09c46-2426-4a90-9b7d-26d01f592914/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-11-20 17:39:59,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:39:59,205 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:39:59,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59 WrapperNode [2022-11-20 17:39:59,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:39:59,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:39:59,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:39:59,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:39:59,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,239 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2022-11-20 17:39:59,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:39:59,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:39:59,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:39:59,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:39:59,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:39:59,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:39:59,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:39:59,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:39:59,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:39:59,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:39:59,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:39:59,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:39:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:39:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:39:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:39:59,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:39:59,402 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:39:59,404 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:39:59,568 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:39:59,638 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:39:59,639 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:39:59,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:59 BoogieIcfgContainer [2022-11-20 17:39:59,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:39:59,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:39:59,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:39:59,653 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:39:59,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:59" (1/1) ... [2022-11-20 17:39:59,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:39:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:39:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:39:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:39:59,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:59,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:40:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:40:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:40:00,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:40:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:40:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:40:00,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-11-20 17:40:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-20 17:40:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:40:00,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:00,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-11-20 17:40:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-11-20 17:40:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:40:00,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-11-20 17:40:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-11-20 17:40:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:40:00,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2022-11-20 17:40:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2022-11-20 17:40:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:40:01,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:01,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-11-20 17:40:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-20 17:40:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:40:01,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2022-11-20 17:40:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-11-20 17:40:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:40:01,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2022-11-20 17:40:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2022-11-20 17:40:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:40:02,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:02,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:40:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2022-11-20 17:40:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2022-11-20 17:40:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:40:02,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:40:03,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2022-11-20 17:40:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2022-11-20 17:40:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:40:03,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:03,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:40:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2022-11-20 17:40:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2022-11-20 17:40:03,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:40:03,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2022-11-20 17:40:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2022-11-20 17:40:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:40:04,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2022-11-20 17:40:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2022-11-20 17:40:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:40:04,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 70 states and 125 transitions. [2022-11-20 17:40:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 125 transitions. [2022-11-20 17:40:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:40:05,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 73 states and 130 transitions. [2022-11-20 17:40:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2022-11-20 17:40:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:40:05,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:05,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 76 states and 132 transitions. [2022-11-20 17:40:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 132 transitions. [2022-11-20 17:40:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:40:05,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2022-11-20 17:40:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-11-20 17:40:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:40:06,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:40:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 131 transitions. [2022-11-20 17:40:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 131 transitions. [2022-11-20 17:40:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:40:06,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:40:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 78 states and 133 transitions. [2022-11-20 17:40:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2022-11-20 17:40:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:40:06,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:06,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:40:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2022-11-20 17:40:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2022-11-20 17:40:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:40:06,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:06,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:40:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 129 transitions. [2022-11-20 17:40:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2022-11-20 17:40:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:40:07,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:07,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:40:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2022-11-20 17:40:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2022-11-20 17:40:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:40:07,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:40:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 123 transitions. [2022-11-20 17:40:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 123 transitions. [2022-11-20 17:40:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:40:07,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:08,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2022-11-20 17:40:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2022-11-20 17:40:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:40:08,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:08,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2022-11-20 17:40:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2022-11-20 17:40:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:40:09,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:09,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2022-11-20 17:40:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2022-11-20 17:40:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:40:10,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:10,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 152 transitions. [2022-11-20 17:40:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2022-11-20 17:40:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:40:10,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 92 states and 157 transitions. [2022-11-20 17:40:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 157 transitions. [2022-11-20 17:40:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:40:11,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:11,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 159 transitions. [2022-11-20 17:40:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions. [2022-11-20 17:40:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:40:11,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 96 states and 159 transitions. [2022-11-20 17:40:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2022-11-20 17:40:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:40:11,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:11,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:40:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 158 transitions. [2022-11-20 17:40:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 158 transitions. [2022-11-20 17:40:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:40:11,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:11,977 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 17:40:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2022-11-20 17:40:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2022-11-20 17:40:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:40:12,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 17:40:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2022-11-20 17:40:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2022-11-20 17:40:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:40:12,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:12,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 163 transitions. [2022-11-20 17:40:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2022-11-20 17:40:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:40:14,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2022-11-20 17:40:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2022-11-20 17:40:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:40:14,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 108 states and 168 transitions. [2022-11-20 17:40:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 168 transitions. [2022-11-20 17:40:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:40:14,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 172 transitions. [2022-11-20 17:40:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2022-11-20 17:40:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:40:16,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:16,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2022-11-20 17:40:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2022-11-20 17:40:16,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:40:16,574 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-11-20 17:40:16,582 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:40:16,698 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-11-20 17:40:16,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:40:16 ImpRootNode [2022-11-20 17:40:16,709 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:40:16,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:40:16,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:40:16,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:40:16,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:59" (3/4) ... [2022-11-20 17:40:16,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:40:16,721 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 17:40:16,721 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:40:16,722 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:40:16,739 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:40:16,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:40:16,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:40:16,773 INFO L158 Benchmark]: Toolchain (without parser) took 17798.16ms. Allocated memory was 123.7MB in the beginning and 232.8MB in the end (delta: 109.1MB). Free memory was 84.7MB in the beginning and 187.9MB in the end (delta: -103.2MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,774 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:40:16,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.72ms. Allocated memory is still 123.7MB. Free memory was 84.3MB in the beginning and 74.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 123.7MB. Free memory was 74.5MB in the beginning and 73.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,775 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 123.7MB. Free memory was 73.3MB in the beginning and 72.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,776 INFO L158 Benchmark]: RCFGBuilder took 372.92ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 61.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,776 INFO L158 Benchmark]: CodeCheck took 17066.33ms. Allocated memory was 123.7MB in the beginning and 232.8MB in the end (delta: 109.1MB). Free memory was 61.7MB in the beginning and 71.6MB in the end (delta: -9.9MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,777 INFO L158 Benchmark]: Witness Printer took 63.33ms. Allocated memory is still 232.8MB. Free memory was 71.6MB in the beginning and 187.9MB in the end (delta: -116.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:40:16,780 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5206 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5130 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 19.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 4034 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18038 IncrementalHoareTripleChecker+Invalid, 22072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4034 mSolverCounterUnsat, 0 mSDtfsCounter, 18038 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5903 GetRequests, 5445 SyntacticMatches, 128 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62978 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 698 NumberOfCodeBlocks, 698 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 659 ConstructedInterpolants, 0 QuantifiedInterpolants, 2039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 17 PerfectInterpolantSequences, 510/976 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((14 <= i + j && !(8 <= j)) && i <= 7) || ((!(7 <= j) && i <= 9) && 15 <= i + j)) || (((i <= 3 && 9 <= j) && 3 <= i) && !(10 <= j))) || ((j <= 10 && i == 1) && 10 <= j)) || ((13 <= i + j && !(9 <= j)) && i <= 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.72ms. Allocated memory is still 123.7MB. Free memory was 84.3MB in the beginning and 74.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.61ms. Allocated memory is still 123.7MB. Free memory was 74.5MB in the beginning and 73.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 123.7MB. Free memory was 73.3MB in the beginning and 72.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.92ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 61.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 17066.33ms. Allocated memory was 123.7MB in the beginning and 232.8MB in the end (delta: 109.1MB). Free memory was 61.7MB in the beginning and 71.6MB in the end (delta: -9.9MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. * Witness Printer took 63.33ms. Allocated memory is still 232.8MB. Free memory was 71.6MB in the beginning and 187.9MB in the end (delta: -116.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:40:16,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f09c46-2426-4a90-9b7d-26d01f592914/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE