./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/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_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/count_by_k.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/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_35597361-b752-4398-9732-5cfb79b7fbe3/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 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-6b4ec56 [2022-11-20 18:25:59,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:25:59,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:25:59,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:25:59,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:25:59,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:25:59,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:25:59,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:25:59,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:25:59,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:25:59,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:25:59,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:25:59,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:25:59,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:25:59,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:25:59,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:25:59,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:25:59,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:25:59,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:25:59,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:25:59,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:25:59,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:25:59,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:25:59,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:25:59,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:25:59,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:25:59,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:25:59,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:25:59,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:25:59,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:25:59,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:25:59,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:25:59,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:25:59,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:25:59,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:25:59,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:25:59,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:25:59,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:25:59,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:25:59,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:25:59,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:25:59,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:25:59,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:25:59,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:25:59,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:25:59,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:25:59,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:25:59,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:25:59,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:25:59,243 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:25:59,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:25:59,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:25:59,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:25:59,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:25:59,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:25:59,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:25:59,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:25:59,246 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:25:59,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:25:59,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:25:59,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:25:59,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:25:59,247 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:25:59,248 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:25:59,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:25:59,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:59,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:25:59,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:25:59,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:25:59,249 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:25:59,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:25:59,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:25:59,251 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_35597361-b752-4398-9732-5cfb79b7fbe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee41851a84d57c0c483c2a5edf48180b7c141c1991cdc82f0d66c6775eb49f5b [2022-11-20 18:25:59,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:25:59,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:25:59,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:25:59,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:25:59,572 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:25:59,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-new/count_by_k.i [2022-11-20 18:26:02,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:26:02,919 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:26:02,920 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/sv-benchmarks/c/loop-new/count_by_k.i [2022-11-20 18:26:02,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/data/5f980e485/3fdfdf60eb474966b5a61aef1da84278/FLAG7b05f6cbf [2022-11-20 18:26:02,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/data/5f980e485/3fdfdf60eb474966b5a61aef1da84278 [2022-11-20 18:26:02,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:26:02,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:26:02,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:02,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:26:02,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:26:02,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:02" (1/1) ... [2022-11-20 18:26:02,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec883f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:02, skipping insertion in model container [2022-11-20 18:26:02,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:02" (1/1) ... [2022-11-20 18:26:02,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:26:02,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:26:03,181 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_35597361-b752-4398-9732-5cfb79b7fbe3/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-11-20 18:26:03,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:03,207 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:26:03,219 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_35597361-b752-4398-9732-5cfb79b7fbe3/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-11-20 18:26:03,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:03,241 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:26:03,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03 WrapperNode [2022-11-20 18:26:03,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:03,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:03,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:26:03,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:26:03,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,278 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-11-20 18:26:03,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:03,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:26:03,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:26:03,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:26:03,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:26:03,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:26:03,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:26:03,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:26:03,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:26:03,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:26:03,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:26:03,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:26:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:26:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:26:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:26:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:26:03,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:26:03,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:26:03,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:26:03,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:26:03,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:26:03,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:26:03 BoogieIcfgContainer [2022-11-20 18:26:03,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:26:03,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:26:03,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:26:03,621 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:26:03,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:26:03" (1/1) ... [2022-11-20 18:26:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:26:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 18:26:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 18:26:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:26:03,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:03,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:03,867 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 18:26:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 18:26:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 18:26:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:26:03,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:03,958 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 18:26:04,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 18:26:04,011 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 18:26:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:26:04,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,048 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 18:26:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 18:26:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 18:26:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:26:04,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,257 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 18:26:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-11-20 18:26:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-11-20 18:26:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:26:04,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,463 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 18:26:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-11-20 18:26:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-20 18:26:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:26:04,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,661 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 18:26:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2022-11-20 18:26:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2022-11-20 18:26:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:26:04,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:26:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-11-20 18:26:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-11-20 18:26:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:26:04,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:04,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2022-11-20 18:26:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2022-11-20 18:26:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:26:05,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:05,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:26:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-11-20 18:26:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-11-20 18:26:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:26:05,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:05,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-11-20 18:26:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-11-20 18:26:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:26:06,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:06,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:26:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2022-11-20 18:26:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-11-20 18:26:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:26:06,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:06,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:26:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2022-11-20 18:26:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-11-20 18:26:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:26:06,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:06,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:26:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-11-20 18:26:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-11-20 18:26:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:26:06,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2022-11-20 18:26:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2022-11-20 18:26:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:26:07,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 18:26:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-11-20 18:26:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-11-20 18:26:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:26:07,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:26:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2022-11-20 18:26:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-11-20 18:26:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:26:07,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-20 18:26:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2022-11-20 18:26:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2022-11-20 18:26:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:26:07,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:26:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2022-11-20 18:26:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2022-11-20 18:26:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:26:07,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:26:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2022-11-20 18:26:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2022-11-20 18:26:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:26:07,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 18:26:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2022-11-20 18:26:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2022-11-20 18:26:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:26:08,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 18:26:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-20 18:26:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-20 18:26:08,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:26:08,197 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-20 18:26:08,208 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 18:26:08,418 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 18:26:08,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:26:08,428 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-20 18:26:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:26:08 ImpRootNode [2022-11-20 18:26:08,429 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:26:08,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:26:08,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:26:08,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:26:08,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:26:03" (3/4) ... [2022-11-20 18:26:08,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:26:08,443 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 18:26:08,443 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:26:08,443 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:26:08,444 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:26:08,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:26:08,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:26:08,477 INFO L158 Benchmark]: Toolchain (without parser) took 5525.29ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 85.8MB in the beginning and 92.6MB in the end (delta: -6.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,478 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 202.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.38ms. Allocated memory is still 130.0MB. Free memory was 85.3MB in the beginning and 75.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.88ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:26:08,479 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 130.0MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,480 INFO L158 Benchmark]: RCFGBuilder took 306.36ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 62.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,480 INFO L158 Benchmark]: CodeCheck took 4818.94ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 62.2MB in the beginning and 94.7MB in the end (delta: -32.5MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,481 INFO L158 Benchmark]: Witness Printer took 46.93ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:08,483 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: 4.6s, 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, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 4.4s 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, 1.0s 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 0.21ms. Allocated memory is still 130.0MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 202.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.38ms. Allocated memory is still 130.0MB. Free memory was 85.3MB in the beginning and 75.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.88ms. Allocated memory is still 130.0MB. Free memory was 75.3MB in the beginning and 74.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 130.0MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.36ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 62.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4818.94ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 62.2MB in the beginning and 94.7MB in the end (delta: -32.5MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 46.93ms. Allocated memory is still 165.7MB. Free memory was 94.7MB in the beginning and 92.6MB 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! [2022-11-20 18:26:08,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35597361-b752-4398-9732-5cfb79b7fbe3/bin/ukojak-pZX7IvK2PQ/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