./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/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_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/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_88ce24c8-f2d7-4641-93af-4c94ce79ac78/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 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 --- 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 17:46:03,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:46:03,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:46:03,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:46:03,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:46:03,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:46:03,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:46:03,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:46:03,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:46:03,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:46:03,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:46:03,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:46:03,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:46:03,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:46:03,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:46:03,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:46:03,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:46:03,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:46:03,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:46:03,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:46:03,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:46:03,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:46:03,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:46:03,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:46:03,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:46:03,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:46:03,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:46:03,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:46:03,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:46:03,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:46:03,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:46:03,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:46:03,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:46:03,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:46:03,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:46:03,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:46:03,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:46:03,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:46:03,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:46:03,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:46:03,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:46:03,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:46:03,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:46:03,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:46:03,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:46:03,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:46:03,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:46:03,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:46:03,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:46:03,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:46:03,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:46:03,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:46:03,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:46:03,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:46:03,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:46:03,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:46:03,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:46:03,478 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:46:03,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:46:03,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:46:03,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:46:03,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:46:03,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:46:03,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:46:03,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:46:03,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:46:03,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:46:03,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:46:03,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:46:03,481 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:46:03,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:46:03,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:46:03,483 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_88ce24c8-f2d7-4641-93af-4c94ce79ac78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1be5a7d97aa41e02c549ddce0b54861696e25bfa9b91d41dbf151eb81f7686c7 [2022-11-20 17:46:03,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:46:03,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:46:03,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:46:03,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:46:03,846 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:46:03,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2022-11-20 17:46:06,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:46:07,146 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:46:07,147 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c [2022-11-20 17:46:07,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/data/6fe8abe17/491968843e5c467b97dbeab459da06b9/FLAGbebc00d70 [2022-11-20 17:46:07,167 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/data/6fe8abe17/491968843e5c467b97dbeab459da06b9 [2022-11-20 17:46:07,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:46:07,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:46:07,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:46:07,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:46:07,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:46:07,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f2901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07, skipping insertion in model container [2022-11-20 17:46:07,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:46:07,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:46:07,362 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_88ce24c8-f2d7-4641-93af-4c94ce79ac78/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2022-11-20 17:46:07,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:46:07,380 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:46:07,397 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_88ce24c8-f2d7-4641-93af-4c94ce79ac78/sv-benchmarks/c/recursive-simple/id_i5_o5-2.c[450,463] [2022-11-20 17:46:07,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:46:07,411 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:46:07,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07 WrapperNode [2022-11-20 17:46:07,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:46:07,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:46:07,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:46:07,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:46:07,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,446 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 17:46:07,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:46:07,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:46:07,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:46:07,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:46:07,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:46:07,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:46:07,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:46:07,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:46:07,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:46:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:46:07,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:46:07,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:46:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:46:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-20 17:46:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-20 17:46:07,623 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:46:07,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:46:07,790 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:46:07,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:46:07,814 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:46:07,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:07 BoogieIcfgContainer [2022-11-20 17:46:07,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:46:07,818 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:46:07,818 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:46:07,829 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:46:07,830 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:07" (1/1) ... [2022-11-20 17:46:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:46:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-20 17:46:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 17:46:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:46:07,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:07,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:08,175 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 17:46:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 17:46:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:46:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:46:08,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:08,468 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 17:46:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-20 17:46:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 17:46:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:46:08,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-20 17:46:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 17:46:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:46:08,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-20 17:46:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 17:46:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:46:09,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:09,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-20 17:46:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 17:46:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:46:09,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-20 17:46:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:46:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:46:09,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:10,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-20 17:46:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:46:10,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:46:10,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:46:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 42 transitions. [2022-11-20 17:46:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-20 17:46:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:46:10,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:10,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 51 transitions. [2022-11-20 17:46:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-20 17:46:10,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:46:10,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:10,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 51 transitions. [2022-11-20 17:46:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-11-20 17:46:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:46:11,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:11,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 59 transitions. [2022-11-20 17:46:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-11-20 17:46:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:46:11,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:11,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-20 17:46:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 58 transitions. [2022-11-20 17:46:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-20 17:46:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:46:11,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:11,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 65 transitions. [2022-11-20 17:46:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 17:46:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 17:46:12,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:12,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 56 states and 71 transitions. [2022-11-20 17:46:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-20 17:46:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:46:12,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:46:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 73 transitions. [2022-11-20 17:46:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-20 17:46:13,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:46:13,356 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-11-20 17:46:13,369 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:46:13,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:46:13 ImpRootNode [2022-11-20 17:46:13,597 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:46:13,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:46:13,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:46:13,598 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:46:13,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:07" (3/4) ... [2022-11-20 17:46:13,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:46:13,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-20 17:46:13,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:46:13,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:46:13,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:46:13,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:46:13,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:46:13,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:46:13,649 INFO L158 Benchmark]: Toolchain (without parser) took 6477.25ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 96.0MB in the beginning and 56.2MB in the end (delta: 39.8MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2022-11-20 17:46:13,650 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:13,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.25ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 86.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:46:13,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.69ms. Allocated memory is still 140.5MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:46:13,651 INFO L158 Benchmark]: Boogie Preprocessor took 17.34ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 948.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:13,652 INFO L158 Benchmark]: RCFGBuilder took 351.84ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 73.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:46:13,653 INFO L158 Benchmark]: CodeCheck took 5779.71ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 73.1MB in the beginning and 58.2MB in the end (delta: 14.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 17:46:13,653 INFO L158 Benchmark]: Witness Printer took 50.20ms. Allocated memory is still 178.3MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:46:13,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 637 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 565 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 878 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2595 IncrementalHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 878 mSolverCounterUnsat, 434 mSDtfsCounter, 2595 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3509 GetRequests, 3404 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3687 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 399 ConstructedInterpolants, 0 QuantifiedInterpolants, 796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 428/678 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.25ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 86.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.69ms. Allocated memory is still 140.5MB. Free memory was 86.1MB in the beginning and 84.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.34ms. Allocated memory is still 140.5MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 948.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 351.84ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 73.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5779.71ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 73.1MB in the beginning and 58.2MB in the end (delta: 14.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 50.20ms. Allocated memory is still 178.3MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:46:13,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88ce24c8-f2d7-4641-93af-4c94ce79ac78/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