./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/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_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/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_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/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 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:38:40,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:38:40,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:38:40,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:38:40,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:38:40,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:38:40,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:38:40,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:38:40,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:38:40,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:38:40,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:38:40,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:38:40,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:38:40,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:38:40,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:38:40,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:38:40,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:38:40,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:38:40,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:38:40,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:38:40,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:38:40,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:38:40,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:38:40,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:38:40,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:38:40,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:38:40,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:38:40,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:38:40,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:38:40,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:38:40,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:38:40,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:38:40,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:38:40,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:38:40,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:38:40,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:38:40,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:38:40,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:38:40,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:38:40,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:38:40,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:38:40,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:38:40,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:38:40,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:38:40,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:38:40,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:38:40,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:38:40,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:38:40,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:38:40,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:38:40,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:38:40,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:38:40,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:38:40,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:38:40,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:38:40,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:38:40,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:38:40,229 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:38:40,229 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:38:40,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:38:40,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:38:40,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:38:40,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:38:40,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:38:40,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:38:40,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:40,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:38:40,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:38:40,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:38:40,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:38:40,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:38:40,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:38:40,233 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_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2022-11-20 17:38:40,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:38:40,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:38:40,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:38:40,623 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:38:40,623 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:38:40,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-11-20 17:38:43,586 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:38:43,899 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:38:43,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-11-20 17:38:43,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/data/50ed1fa4b/c1b846fc8a1c46e7ba55d93b4922a436/FLAGd91e5d804 [2022-11-20 17:38:43,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/data/50ed1fa4b/c1b846fc8a1c46e7ba55d93b4922a436 [2022-11-20 17:38:43,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:38:43,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:38:43,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:43,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:38:43,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:38:43,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:43" (1/1) ... [2022-11-20 17:38:43,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37401bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:43, skipping insertion in model container [2022-11-20 17:38:43,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:43" (1/1) ... [2022-11-20 17:38:43,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:38:44,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:38:44,367 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_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-11-20 17:38:44,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:44,382 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:38:44,429 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_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-11-20 17:38:44,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:44,455 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:38:44,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44 WrapperNode [2022-11-20 17:38:44,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:44,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:44,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:38:44,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:38:44,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,507 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2022-11-20 17:38:44,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:44,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:38:44,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:38:44,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:38:44,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:38:44,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:38:44,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:38:44,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:38:44,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:44" (1/1) ... [2022-11-20 17:38:44,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:38:44,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:38:44,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:38:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:38:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:38:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:38:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:38:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:38:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:38:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:38:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:38:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:38:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:38:44,796 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:38:44,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:38:45,069 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:38:45,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:38:45,187 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:38:45,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:45 BoogieIcfgContainer [2022-11-20 17:38:45,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:38:45,191 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:38:45,191 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:38:45,201 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:38:45,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:45" (1/1) ... [2022-11-20 17:38:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:38:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-11-20 17:38:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-11-20 17:38:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:38:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:45,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-11-20 17:38:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-20 17:38:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:38:45,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:45,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2022-11-20 17:38:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-20 17:38:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:38:45,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2022-11-20 17:38:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-11-20 17:38:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:38:46,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-11-20 17:38:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 17:38:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:38:46,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:46,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2022-11-20 17:38:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-20 17:38:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:38:47,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2022-11-20 17:38:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-20 17:38:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:38:47,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:47,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:38:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2022-11-20 17:38:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-20 17:38:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:38:47,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:47,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:38:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:48,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-11-20 17:38:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-20 17:38:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:38:48,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-11-20 17:38:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-20 17:38:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:38:48,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:38:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2022-11-20 17:38:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-20 17:38:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:38:49,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:49,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:49,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2022-11-20 17:38:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-20 17:38:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:38:49,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2022-11-20 17:38:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-11-20 17:38:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:38:50,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2022-11-20 17:38:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-20 17:38:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:38:50,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:50,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:38:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2022-11-20 17:38:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-11-20 17:38:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:38:51,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:51,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2022-11-20 17:38:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-11-20 17:38:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:38:52,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:38:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2022-11-20 17:38:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-11-20 17:38:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:52,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 100 transitions. [2022-11-20 17:38:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-11-20 17:38:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:38:53,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:38:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-11-20 17:38:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-11-20 17:38:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:38:54,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2022-11-20 17:38:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2022-11-20 17:38:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:55,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:55,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2022-11-20 17:38:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2022-11-20 17:38:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:56,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:38:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2022-11-20 17:38:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2022-11-20 17:38:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:57,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:57,300 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 17:38:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2022-11-20 17:38:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2022-11-20 17:38:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:38:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:57,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:57,540 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 17:38:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 124 transitions. [2022-11-20 17:38:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2022-11-20 17:38:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:57,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2022-11-20 17:38:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2022-11-20 17:38:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:58,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2022-11-20 17:38:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2022-11-20 17:38:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:59,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:59,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:39:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2022-11-20 17:39:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2022-11-20 17:39:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:39:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:00,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:00,094 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 17:39:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2022-11-20 17:39:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2022-11-20 17:39:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:39:00,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:39:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 137 transitions. [2022-11-20 17:39:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2022-11-20 17:39:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:39:00,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:39:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2022-11-20 17:39:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2022-11-20 17:39:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:39:02,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:39:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 106 states and 153 transitions. [2022-11-20 17:39:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2022-11-20 17:39:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:39:05,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:05,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:06,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:39:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 108 states and 155 transitions. [2022-11-20 17:39:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2022-11-20 17:39:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:39:06,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:39:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2022-11-20 17:39:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-20 17:39:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:39:09,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:39:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2022-11-20 17:39:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 17:39:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:39:10,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:39:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2022-11-20 17:39:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2022-11-20 17:39:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:39:13,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:13,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2022-11-20 17:39:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-11-20 17:39:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:39:15,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 17:39:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:17,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2022-11-20 17:39:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-11-20 17:39:17,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:39:17,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:17,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:39:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2022-11-20 17:39:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-11-20 17:39:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:39:17,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:17,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2022-11-20 17:39:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2022-11-20 17:39:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:39:19,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2022-11-20 17:39:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2022-11-20 17:39:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:39:20,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:20,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 87 states and 117 transitions. [2022-11-20 17:39:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2022-11-20 17:39:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:39:22,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 17:39:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2022-11-20 17:39:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2022-11-20 17:39:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:39:23,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2022-11-20 17:39:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2022-11-20 17:39:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:39:27,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:39:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2022-11-20 17:39:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2022-11-20 17:39:31,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:39:31,286 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-11-20 17:39:31,299 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-11-20 17:39:31,687 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-20 17:39:31,698 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:39:31,699 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:39:31,699 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-11-20 17:39:31,700 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 17:39:31,701 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:39:31,701 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 17:39:31,701 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-20 17:39:31,702 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-20 17:39:31,703 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-11-20 17:39:31,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:39:31 ImpRootNode [2022-11-20 17:39:31,704 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:39:31,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:39:31,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:39:31,705 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:39:31,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:45" (3/4) ... [2022-11-20 17:39:31,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:39:31,719 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 17:39:31,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:39:31,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:39:31,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:39:31,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:39:31,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:39:31,783 INFO L158 Benchmark]: Toolchain (without parser) took 47851.76ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 137.6MB in the beginning and 231.1MB in the end (delta: -93.5MB). Peak memory consumption was 256.2MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,783 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:39:31,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.25ms. Allocated memory is still 174.1MB. Free memory was 137.1MB in the beginning and 129.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.51ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,784 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 125.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,784 INFO L158 Benchmark]: RCFGBuilder took 634.08ms. Allocated memory is still 174.1MB. Free memory was 125.4MB in the beginning and 105.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,785 INFO L158 Benchmark]: CodeCheck took 46513.57ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 105.3MB in the beginning and 235.3MB in the end (delta: -130.0MB). Peak memory consumption was 222.3MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,785 INFO L158 Benchmark]: Witness Printer took 77.40ms. Allocated memory is still 524.3MB. Free memory was 235.3MB in the beginning and 231.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:39:31,787 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, 40 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 46.1s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5663 SdHoareTripleChecker+Valid, 31.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4364 mSDsluCounter, 1080 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 4742 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18939 IncrementalHoareTripleChecker+Invalid, 23681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4742 mSolverCounterUnsat, 1014 mSDtfsCounter, 18939 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7525 GetRequests, 6951 SyntacticMatches, 112 SemanticMatches, 462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107978 ImplicationChecksByTransitivity, 38.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 969 ConstructedInterpolants, 0 QuantifiedInterpolants, 2471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 15 PerfectInterpolantSequences, 376/510 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((i + 1 <= len && len <= 2) && 2 <= len + i) || ((!(len + i <= 3) && 2 <= len) && len <= 2) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && index <= 1) && len <= 2) && index == i) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || (((len <= i + 1 && 3 <= len + i) && i <= 1) && index == 0) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (i + 1 <= len && len <= 2) && 2 <= len + i - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((i + 1 <= len && len <= 2) && 2 <= len + i) || (!(len + i <= 3) && !(i + 1 <= len)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((2 <= len && 1 <= len) && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && len <= 2) && index <= 1) && index == i) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || (((len <= i + 1 && 3 <= len + i) && index <= 0) && i <= 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.25ms. Allocated memory is still 174.1MB. Free memory was 137.1MB in the beginning and 129.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.51ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 174.1MB. Free memory was 127.6MB in the beginning and 125.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.08ms. Allocated memory is still 174.1MB. Free memory was 125.4MB in the beginning and 105.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 46513.57ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 105.3MB in the beginning and 235.3MB in the end (delta: -130.0MB). Peak memory consumption was 222.3MB. Max. memory is 16.1GB. * Witness Printer took 77.40ms. Allocated memory is still 524.3MB. Free memory was 235.3MB in the beginning and 231.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:39:31,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6fabc8-2712-45ab-a606-7d2ef7cb19af/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE