./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-new/count_by_k.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/count_by_k.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg --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 ee41851a84d57c0c483c2a5edf48180b7c141c1991cdc82f0d66c6775eb49f5b --- 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-b5237d8 [2022-11-21 23:57:35,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:57:35,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:57:35,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:57:35,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:57:35,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:57:35,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:57:35,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:57:35,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:57:35,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:57:35,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:57:35,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:57:35,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:57:35,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:57:35,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:57:35,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:57:35,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:57:35,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:57:35,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:57:35,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:57:35,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:57:35,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:57:35,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:57:35,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:57:35,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:57:35,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:57:35,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:57:35,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:57:35,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:57:35,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:57:35,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:57:35,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:57:35,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:57:35,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:57:35,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:57:35,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:57:35,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:57:35,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:57:35,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:57:35,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:57:35,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:57:35,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:57:35,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:57:35,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:57:35,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:57:35,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:57:35,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:57:35,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:57:35,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:57:35,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:57:35,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:57:35,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:57:35,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:57:35,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:57:35,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:57:35,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:57:35,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:57:35,580 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:57:35,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:57:35,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:57:35,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:57:35,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:57:35,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:57:35,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:57:35,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:57:35,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:57:35,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:57:35,582 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_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee41851a84d57c0c483c2a5edf48180b7c141c1991cdc82f0d66c6775eb49f5b [2022-11-21 23:57:35,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:57:35,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:57:35,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:57:35,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:57:35,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:57:35,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-new/count_by_k.i [2022-11-21 23:57:38,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:57:39,158 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:57:39,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/sv-benchmarks/c/loop-new/count_by_k.i [2022-11-21 23:57:39,165 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/data/1e5d93b6f/d81c9641bd7849e88b2b5fd8767243ac/FLAG10bf984ba [2022-11-21 23:57:39,183 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/data/1e5d93b6f/d81c9641bd7849e88b2b5fd8767243ac [2022-11-21 23:57:39,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:57:39,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:57:39,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:57:39,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:57:39,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:57:39,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d805766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39, skipping insertion in model container [2022-11-21 23:57:39,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:57:39,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:57:39,384 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_dee0763d-5fbb-43cd-b483-73c8f55c6930/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-11-21 23:57:39,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:57:39,402 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:57:39,414 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_dee0763d-5fbb-43cd-b483-73c8f55c6930/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-11-21 23:57:39,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:57:39,430 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:57:39,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39 WrapperNode [2022-11-21 23:57:39,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:57:39,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:57:39,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:57:39,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:57:39,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,467 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-11-21 23:57:39,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:57:39,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:57:39,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:57:39,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:57:39,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:57:39,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:57:39,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:57:39,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:57:39,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:57:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:57:39,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:57:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:57:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:57:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:57:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:57:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:57:39,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:57:39,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:57:39,777 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:57:39,807 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:57:39,808 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:57:39,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:39 BoogieIcfgContainer [2022-11-21 23:57:39,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:57:39,811 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:57:39,812 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:57:39,822 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:57:39,822 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:39" (1/1) ... [2022-11-21 23:57:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:57:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-21 23:57:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-21 23:57:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:57:39,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:39,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-21 23:57:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-21 23:57:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:57:40,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 23:57:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 23:57:40,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:57:40,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-21 23:57:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-21 23:57:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:57:40,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-11-21 23:57:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-21 23:57:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:57:40,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-11-21 23:57:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-21 23:57:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:57:40,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2022-11-21 23:57:40,914 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2022-11-21 23:57:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:57:40,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:57:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-11-21 23:57:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-11-21 23:57:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:57:40,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2022-11-21 23:57:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2022-11-21 23:57:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:57:41,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:57:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-11-21 23:57:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-11-21 23:57:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:57:41,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-11-21 23:57:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-11-21 23:57:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:57:42,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:57:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2022-11-21 23:57:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-11-21 23:57:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:57:42,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:57:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2022-11-21 23:57:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-11-21 23:57:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:57:42,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 23:57:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-11-21 23:57:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-11-21 23:57:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:57:42,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:57:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2022-11-21 23:57:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2022-11-21 23:57:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:57:43,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:57:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-11-21 23:57:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-11-21 23:57:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:57:43,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:57:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2022-11-21 23:57:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-11-21 23:57:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:57:43,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-21 23:57:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2022-11-21 23:57:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2022-11-21 23:57:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:57:43,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:57:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2022-11-21 23:57:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2022-11-21 23:57:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:57:43,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:57:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2022-11-21 23:57:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2022-11-21 23:57:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:57:43,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-21 23:57:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2022-11-21 23:57:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2022-11-21 23:57:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:57:43,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:57:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:57:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:57:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-21 23:57:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:57:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-21 23:57:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-21 23:57:44,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:57:44,162 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-21 23:57:44,170 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:57:44,370 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:57:44,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:57:44,379 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-21 23:57:44,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:57:44 ImpRootNode [2022-11-21 23:57:44,381 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:57:44,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:57:44,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:57:44,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:57:44,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:57:39" (3/4) ... [2022-11-21 23:57:44,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:57:44,394 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 23:57:44,394 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:57:44,394 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:57:44,394 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:57:44,431 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:57:44,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:57:44,432 INFO L158 Benchmark]: Toolchain (without parser) took 5244.89ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 106.8MB in the beginning and 91.9MB in the end (delta: 14.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,432 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:57:44,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.91ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 96.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.87ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:57:44,433 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,434 INFO L158 Benchmark]: RCFGBuilder took 312.37ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 82.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,434 INFO L158 Benchmark]: CodeCheck took 4569.26ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 82.8MB in the beginning and 94.0MB in the end (delta: -11.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,435 INFO L158 Benchmark]: Witness Printer took 50.22ms. Allocated memory is still 172.0MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:57:44,437 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1266 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 453 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3379 IncrementalHoareTripleChecker+Invalid, 3832 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 453 mSolverCounterUnsat, 42 mSDtfsCounter, 3379 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2200 GetRequests, 2066 SyntacticMatches, 28 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5487 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 197/222 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: 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 6 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= k - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((0 <= k && k <= 10) && 1 <= i + k) || ((0 <= k && i == 0) && k <= 10) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.91ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 96.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.87ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 94.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.37ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 82.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4569.26ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 82.8MB in the beginning and 94.0MB in the end (delta: -11.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 50.22ms. Allocated memory is still 172.0MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:57:44,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dee0763d-5fbb-43cd-b483-73c8f55c6930/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE