./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4 --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 e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 --- 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-2329fc7 [2022-12-14 23:44:30,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:44:30,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:44:30,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:44:30,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:44:30,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:44:30,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:44:30,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:44:30,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:44:30,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:44:30,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:44:30,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:44:30,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:44:30,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:44:30,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:44:30,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:44:30,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:44:30,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:44:30,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:44:30,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:44:30,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:44:30,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:44:30,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:44:30,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:44:30,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:44:30,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:44:30,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:44:30,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:44:30,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:44:30,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:44:30,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:44:30,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:44:30,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:44:30,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:44:30,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:44:30,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:44:30,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:44:30,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:44:30,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:44:30,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:44:30,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:44:30,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:44:30,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:44:30,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:44:30,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:44:30,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:44:30,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:44:30,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:44:30,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:44:30,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:44:30,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:44:30,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:44:30,542 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:44:30,543 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:44:30,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:44:30,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:44:30,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:44:30,543 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:44:30,543 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:44:30,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:44:30,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:44:30,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:44:30,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:44:30,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:44:30,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:44:30,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:44:30,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:44:30,545 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_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 [2022-12-14 23:44:30,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:44:30,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:44:30,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:44:30,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:44:30,738 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:44:30,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2c_update_all.i [2022-12-14 23:44:33,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:44:33,513 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:44:33,513 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/sv-benchmarks/c/list-simple/sll2c_update_all.i [2022-12-14 23:44:33,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/data/138a75730/8beadc750df2466eb4cacd515f91af5e/FLAGe60359093 [2022-12-14 23:44:33,888 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/data/138a75730/8beadc750df2466eb4cacd515f91af5e [2022-12-14 23:44:33,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:44:33,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:44:33,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:44:33,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:44:33,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:44:33,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:44:33" (1/1) ... [2022-12-14 23:44:33,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b759d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:33, skipping insertion in model container [2022-12-14 23:44:33,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:44:33" (1/1) ... [2022-12-14 23:44:33,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:44:33,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:44:34,153 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_179c3372-fa4e-4961-9d3c-bb6235331cde/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2022-12-14 23:44:34,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:44:34,163 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:44:34,201 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_179c3372-fa4e-4961-9d3c-bb6235331cde/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2022-12-14 23:44:34,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:44:34,231 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:44:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34 WrapperNode [2022-12-14 23:44:34,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:44:34,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:44:34,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:44:34,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:44:34,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,269 INFO L138 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-12-14 23:44:34,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:44:34,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:44:34,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:44:34,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:44:34,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:44:34,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:44:34,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:44:34,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:44:34,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:44:34,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:44:34,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:44:34,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:44:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:44:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:44:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-12-14 23:44:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:44:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:44:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:44:34,446 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:44:34,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:44:34,614 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:44:34,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:44:34,648 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 23:44:34,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:44:34 BoogieIcfgContainer [2022-12-14 23:44:34,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:44:34,651 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:44:34,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:44:34,658 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:44:34,658 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:44:34" (1/1) ... [2022-12-14 23:44:34,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:44:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-12-14 23:44:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-12-14 23:44:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:44:34,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:44:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 59 transitions. [2022-12-14 23:44:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 23:44:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:44:34,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:34,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:44:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:35,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 64 transitions. [2022-12-14 23:44:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-14 23:44:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:44:35,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:35,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:44:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 66 transitions. [2022-12-14 23:44:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-12-14 23:44:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:44:35,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:35,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 70 transitions. [2022-12-14 23:44:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-12-14 23:44:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:44:35,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:44:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 87 transitions. [2022-12-14 23:44:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2022-12-14 23:44:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:44:35,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:44:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 95 transitions. [2022-12-14 23:44:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-14 23:44:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:44:36,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 100 transitions. [2022-12-14 23:44:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-12-14 23:44:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:44:36,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 102 transitions. [2022-12-14 23:44:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2022-12-14 23:44:36,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:44:36,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:44:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 97 transitions. [2022-12-14 23:44:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-12-14 23:44:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:44:36,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 98 transitions. [2022-12-14 23:44:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-12-14 23:44:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:44:36,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:44:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 74 transitions. [2022-12-14 23:44:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-12-14 23:44:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:44:36,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:37,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 84 transitions. [2022-12-14 23:44:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-14 23:44:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:44:37,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:37,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:44:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 96 transitions. [2022-12-14 23:44:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-12-14 23:44:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:44:38,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:38,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 72 states and 102 transitions. [2022-12-14 23:44:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2022-12-14 23:44:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:44:38,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:38,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 110 transitions. [2022-12-14 23:44:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-12-14 23:44:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:44:38,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 116 transitions. [2022-12-14 23:44:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2022-12-14 23:44:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:44:39,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 23:44:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 115 transitions. [2022-12-14 23:44:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2022-12-14 23:44:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:44:39,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 126 transitions. [2022-12-14 23:44:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2022-12-14 23:44:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:44:39,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:39,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:44:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 129 transitions. [2022-12-14 23:44:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2022-12-14 23:44:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:44:40,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:44:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 87 states and 133 transitions. [2022-12-14 23:44:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2022-12-14 23:44:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:44:40,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:40,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 23:44:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 140 transitions. [2022-12-14 23:44:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2022-12-14 23:44:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:44:41,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:44:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 141 transitions. [2022-12-14 23:44:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2022-12-14 23:44:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:44:41,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:41,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 97 states and 150 transitions. [2022-12-14 23:44:41,983 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2022-12-14 23:44:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:44:41,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:41,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 98 states and 150 transitions. [2022-12-14 23:44:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2022-12-14 23:44:42,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:44:42,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:42,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:44:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 105 states and 161 transitions. [2022-12-14 23:44:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2022-12-14 23:44:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:44:42,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:42,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:44:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 177 transitions. [2022-12-14 23:44:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2022-12-14 23:44:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:44:45,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:44:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 124 states and 184 transitions. [2022-12-14 23:44:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 184 transitions. [2022-12-14 23:44:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:44:47,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:44:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 66 states and 84 transitions. [2022-12-14 23:44:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-12-14 23:44:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:44:47,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 23:44:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 66 states and 83 transitions. [2022-12-14 23:44:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-12-14 23:44:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:44:48,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 23:44:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 66 states and 82 transitions. [2022-12-14 23:44:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-12-14 23:44:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 23:44:48,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:48,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 23:44:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 73 states and 95 transitions. [2022-12-14 23:44:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-12-14 23:44:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 23:44:49,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 23:44:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 72 states and 94 transitions. [2022-12-14 23:44:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-12-14 23:44:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 23:44:49,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:49,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:44:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 77 states and 103 transitions. [2022-12-14 23:44:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2022-12-14 23:44:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 23:44:50,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:50,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:44:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 83 states and 115 transitions. [2022-12-14 23:44:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2022-12-14 23:44:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 23:44:51,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:51,475 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:44:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 84 states and 115 transitions. [2022-12-14 23:44:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2022-12-14 23:44:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:44:51,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 23:44:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 86 states and 117 transitions. [2022-12-14 23:44:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2022-12-14 23:44:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:44:52,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:52,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 23:44:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 87 states and 117 transitions. [2022-12-14 23:44:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2022-12-14 23:44:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 23:44:52,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:52,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 23:44:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 94 states and 129 transitions. [2022-12-14 23:44:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2022-12-14 23:44:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 23:44:54,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 23:44:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 95 states and 129 transitions. [2022-12-14 23:44:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2022-12-14 23:44:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 23:44:54,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:44:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 111 states and 151 transitions. [2022-12-14 23:44:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2022-12-14 23:44:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 23:44:57,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:44:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 112 states and 151 transitions. [2022-12-14 23:44:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2022-12-14 23:44:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 23:44:58,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:45:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 119 states and 161 transitions. [2022-12-14 23:45:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2022-12-14 23:45:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 23:45:00,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:00,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:45:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 53 states and 57 transitions. [2022-12-14 23:45:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-12-14 23:45:01,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:45:01,256 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-12-14 23:45:01,263 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-12-14 23:45:01,446 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,450 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,451 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,451 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:45:01,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:45:01 ImpRootNode [2022-12-14 23:45:01,451 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:45:01,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:45:01,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:45:01,451 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:45:01,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:44:34" (3/4) ... [2022-12-14 23:45:01,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:45:01,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-12-14 23:45:01,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-14 23:45:01,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 23:45:01,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:45:01,461 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:45:01,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:45:01,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:45:01,492 INFO L158 Benchmark]: Toolchain (without parser) took 27598.96ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 114.8MB in the beginning and 145.7MB in the end (delta: -30.9MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,492 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 118.2MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:45:01,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.88ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 98.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.28ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 95.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,492 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 153.1MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,492 INFO L158 Benchmark]: RCFGBuilder took 353.88ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 73.6MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,493 INFO L158 Benchmark]: CodeCheck took 26800.38ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 73.6MB in the beginning and 148.8MB in the end (delta: -75.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,493 INFO L158 Benchmark]: Witness Printer took 39.90ms. Allocated memory is still 268.4MB. Free memory was 148.8MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:45:01,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6955 SdHoareTripleChecker+Valid, 17.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4514 mSDsluCounter, 1880 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 536 mSDsCounter, 4533 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19675 IncrementalHoareTripleChecker+Invalid, 24208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4533 mSolverCounterUnsat, 1344 mSDtfsCounter, 19675 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10051 GetRequests, 9376 SyntacticMatches, 219 SemanticMatches, 456 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108075 ImplicationChecksByTransitivity, 22.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1346 NumberOfCodeBlocks, 1346 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1303 ConstructedInterpolants, 0 QuantifiedInterpolants, 3346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 13 PerfectInterpolantSequences, 382/538 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: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: 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: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: 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: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 118.2MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.88ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 98.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.28ms. Allocated memory is still 153.1MB. Free memory was 98.1MB in the beginning and 95.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 153.1MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.88ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 73.6MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 26800.38ms. Allocated memory was 153.1MB in the beginning and 268.4MB in the end (delta: 115.3MB). Free memory was 73.6MB in the beginning and 148.8MB in the end (delta: -75.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 39.90ms. Allocated memory is still 268.4MB. Free memory was 148.8MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:45:01,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_179c3372-fa4e-4961-9d3c-bb6235331cde/bin/ukojak-rkRKPMF4O4/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