./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i --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_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/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_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/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_5379893b-4d4d-4aa0-81e3-30b16de45e03/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 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 --- 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 17:13:50,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:13:50,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:13:50,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:13:50,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:13:50,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:13:50,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:13:50,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:13:50,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:13:50,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:13:50,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:13:50,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:13:50,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:13:50,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:13:50,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:13:50,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:13:50,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:13:50,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:13:50,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:13:50,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:13:50,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:13:50,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:13:50,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:13:50,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:13:50,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:13:50,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:13:50,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:13:50,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:13:50,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:13:50,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:13:50,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:13:50,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:13:50,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:13:50,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:13:50,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:13:50,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:13:50,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:13:50,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:13:50,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:13:50,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:13:50,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:13:50,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:13:50,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:13:50,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:13:50,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:13:50,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:13:50,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:13:50,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:13:50,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:13:50,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:13:50,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:13:50,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:13:50,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:13:50,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:13:50,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:13:50,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:13:50,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:13:50,182 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:13:50,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:13:50,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:13:50,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:13:50,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:13:50,184 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:13:50,184 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:13:50,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:13:50,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:50,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:13:50,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:13:50,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:13:50,185 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:13:50,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:13:50,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:13:50,187 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_5379893b-4d4d-4aa0-81e3-30b16de45e03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e947ce3cb6be538c3110154d89a790a98803ec545aa8464d99fb543118ea442 [2022-11-20 17:13:50,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:13:50,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:13:50,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:13:50,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:13:50,534 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:13:50,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2022-11-20 17:13:53,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:13:53,946 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:13:53,946 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/sv-benchmarks/c/array-industry-pattern/array_monotonic.i [2022-11-20 17:13:53,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/data/9498d7c72/afb03368242d4fc59f503bc9a3f21c8d/FLAGb52ff9e77 [2022-11-20 17:13:53,968 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/data/9498d7c72/afb03368242d4fc59f503bc9a3f21c8d [2022-11-20 17:13:53,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:13:53,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:13:53,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:53,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:13:53,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:13:53,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:53" (1/1) ... [2022-11-20 17:13:53,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed037f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:53, skipping insertion in model container [2022-11-20 17:13:53,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:53" (1/1) ... [2022-11-20 17:13:53,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:13:54,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:13:54,194 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_5379893b-4d4d-4aa0-81e3-30b16de45e03/sv-benchmarks/c/array-industry-pattern/array_monotonic.i[808,821] [2022-11-20 17:13:54,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:54,217 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:13:54,230 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_5379893b-4d4d-4aa0-81e3-30b16de45e03/sv-benchmarks/c/array-industry-pattern/array_monotonic.i[808,821] [2022-11-20 17:13:54,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:54,251 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:13:54,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54 WrapperNode [2022-11-20 17:13:54,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:54,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:54,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:13:54,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:13:54,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,300 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2022-11-20 17:13:54,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:54,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:13:54,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:13:54,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:13:54,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:13:54,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:13:54,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:13:54,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:13:54,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:13:54,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:13:54,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:13:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:13:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:13:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:13:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:13:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:13:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:13:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:13:54,517 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:13:54,519 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:13:54,745 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:13:54,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:13:54,791 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:13:54,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:54 BoogieIcfgContainer [2022-11-20 17:13:54,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:13:54,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:13:54,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:13:54,810 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:13:54,811 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:54" (1/1) ... [2022-11-20 17:13:54,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:13:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:13:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:13:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:13:54,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,244 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 17:13:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:13:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:13:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:13:55,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,395 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 17:13:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-20 17:13:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-20 17:13:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:13:55,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:13:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:13:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:13:55,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,653 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 17:13:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:13:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:13:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:13:55,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:55,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:13:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:13:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:13:55,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:13:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:56,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 17:13:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 17:13:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:13:56,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:13:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:13:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:13:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:13:56,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:13:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 17:13:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 17:13:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:13:56,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:13:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2022-11-20 17:13:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-20 17:13:56,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:13:56,404 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-20 17:13:56,413 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:13:56,470 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:13:56,480 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:13:56,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:13:56 ImpRootNode [2022-11-20 17:13:56,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:13:56,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:13:56,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:13:56,482 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:13:56,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:54" (3/4) ... [2022-11-20 17:13:56,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:13:56,495 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 17:13:56,496 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:13:56,496 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:13:56,496 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:13:56,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:13:56,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:13:56,534 INFO L158 Benchmark]: Toolchain (without parser) took 2561.56ms. Allocated memory is still 176.2MB. Free memory was 130.6MB in the beginning and 139.9MB in the end (delta: -9.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:56,534 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:56,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.46ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 119.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 118.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,536 INFO L158 Benchmark]: Boogie Preprocessor took 42.57ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 116.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,536 INFO L158 Benchmark]: RCFGBuilder took 450.00ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 103.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,536 INFO L158 Benchmark]: CodeCheck took 1686.36ms. Allocated memory is still 176.2MB. Free memory was 103.3MB in the beginning and 143.0MB in the end (delta: -39.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,537 INFO L158 Benchmark]: Witness Printer took 51.35ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:13:56,539 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 134 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 411 IncrementalHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 134 mSolverCounterUnsat, 15 mSDtfsCounter, 411 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 510 GetRequests, 492 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 24/31 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 26]: Loop Invariant Derived loop invariant: i == 0 || 2 <= i - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: i == 0 || 2 <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.46ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 119.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 118.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.57ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 116.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.00ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 103.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1686.36ms. Allocated memory is still 176.2MB. Free memory was 103.3MB in the beginning and 143.0MB in the end (delta: -39.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 51.35ms. Allocated memory is still 176.2MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:13:56,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5379893b-4d4d-4aa0-81e3-30b16de45e03/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