./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/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 cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 --- 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 20:37:27,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:37:27,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:37:27,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:37:27,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:37:27,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:37:27,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:37:27,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:37:27,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:37:27,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:37:27,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:37:27,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:37:27,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:37:27,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:37:27,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:37:27,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:37:27,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:37:27,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:37:27,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:37:27,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:37:27,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:37:27,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:37:27,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:37:27,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:37:27,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:37:27,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:37:27,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:37:27,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:37:27,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:37:27,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:37:27,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:37:27,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:37:27,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:37:27,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:37:27,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:37:27,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:37:27,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:37:27,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:37:27,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:37:27,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:37:27,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:37:27,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 20:37:27,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:37:27,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:37:27,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:37:27,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:37:27,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:37:27,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:37:27,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:37:27,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:37:27,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:37:27,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:37:27,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:37:27,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:37:27,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:37:27,490 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:37:27,490 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:37:27,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:37:27,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:37:27,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:37:27,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:37:27,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:37:27,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:37:27,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:37:27,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:37:27,491 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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 [2022-12-14 20:37:27,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:37:27,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:37:27,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:37:27,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:37:27,695 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:37:27,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2022-12-14 20:37:30,236 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:37:30,398 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:37:30,398 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2022-12-14 20:37:30,407 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/data/408a18664/fd4890cb44dc4132a1454b2aee5a6021/FLAGfbdc7d2fe [2022-12-14 20:37:30,418 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/data/408a18664/fd4890cb44dc4132a1454b2aee5a6021 [2022-12-14 20:37:30,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:37:30,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:37:30,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:37:30,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:37:30,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:37:30,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cb5158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30, skipping insertion in model container [2022-12-14 20:37:30,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:37:30,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:37:30,636 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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/sv-benchmarks/c/list-simple/sll2c_remove_all.i[24082,24095] [2022-12-14 20:37:30,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:37:30,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:37:30,672 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_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/sv-benchmarks/c/list-simple/sll2c_remove_all.i[24082,24095] [2022-12-14 20:37:30,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:37:30,689 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:37:30,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30 WrapperNode [2022-12-14 20:37:30,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:37:30,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:37:30,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:37:30,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:37:30,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,721 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-12-14 20:37:30,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:37:30,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:37:30,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:37:30,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:37:30,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:37:30,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:37:30,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:37:30,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:37:30,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:37:30" (1/1) ... [2022-12-14 20:37:30,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:37:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:37:30,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:37:30,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:37:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-12-14 20:37:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 20:37:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 20:37:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:37:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 20:37:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:37:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:37:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:37:30,905 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:37:30,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:37:31,074 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:37:31,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:37:31,111 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:37:31,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:37:31 BoogieIcfgContainer [2022-12-14 20:37:31,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:37:31,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:37:31,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:37:31,125 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:37:31,125 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:37:31" (1/1) ... [2022-12-14 20:37:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:37:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-12-14 20:37:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-12-14 20:37:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:37:31,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,446 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 20:37:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 33 transitions. [2022-12-14 20:37:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-14 20:37:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:37:31,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,577 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 20:37:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 37 transitions. [2022-12-14 20:37:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-12-14 20:37:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:37:31,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,685 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 20:37:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 38 transitions. [2022-12-14 20:37:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-12-14 20:37:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:37:31,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,782 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 20:37:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 46 transitions. [2022-12-14 20:37:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-12-14 20:37:31,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 20:37:31,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,897 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 20:37:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 47 transitions. [2022-12-14 20:37:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-12-14 20:37:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:37:31,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:31,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 20:37:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 38 transitions. [2022-12-14 20:37:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-12-14 20:37:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:37:32,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:32,061 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 20:37:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 37 transitions. [2022-12-14 20:37:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-12-14 20:37:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:37:32,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:32,134 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 20:37:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 40 transitions. [2022-12-14 20:37:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-14 20:37:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:37:32,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:32,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:32,243 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 20:37:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 48 transitions. [2022-12-14 20:37:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2022-12-14 20:37:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 20:37:32,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:37:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 56 transitions. [2022-12-14 20:37:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-14 20:37:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 20:37:32,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:32,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 20:37:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 62 transitions. [2022-12-14 20:37:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-12-14 20:37:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:37:33,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:33,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:37:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 62 transitions. [2022-12-14 20:37:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-12-14 20:37:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:37:33,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:33,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:37:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 51 transitions. [2022-12-14 20:37:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-14 20:37:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:37:34,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:34,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:37:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 63 transitions. [2022-12-14 20:37:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-12-14 20:37:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:37:36,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:36,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:37:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 70 transitions. [2022-12-14 20:37:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2022-12-14 20:37:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:37:37,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 20:37:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 74 transitions. [2022-12-14 20:37:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2022-12-14 20:37:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:37:38,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:37:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 81 transitions. [2022-12-14 20:37:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2022-12-14 20:37:39,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:37:39,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:39,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:37:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 35 states and 44 transitions. [2022-12-14 20:37:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-14 20:37:40,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:37:40,841 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-12-14 20:37:40,847 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 20:37:41,070 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 20:37:41,077 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 20:37:41,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:37:41,077 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:37:41,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:37:41 ImpRootNode [2022-12-14 20:37:41,077 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:37:41,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:37:41,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:37:41,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:37:41,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:37:31" (3/4) ... [2022-12-14 20:37:41,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:37:41,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-12-14 20:37:41,086 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 20:37:41,086 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 20:37:41,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 20:37:41,087 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:37:41,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:37:41,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:37:41,117 INFO L158 Benchmark]: Toolchain (without parser) took 10695.88ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 90.2MB in the beginning and 92.5MB in the end (delta: -2.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,117 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:37:41,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.43ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 73.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.54ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,118 INFO L158 Benchmark]: Boogie Preprocessor took 20.14ms. Allocated memory is still 134.2MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,118 INFO L158 Benchmark]: RCFGBuilder took 371.78ms. Allocated memory is still 134.2MB. Free memory was 69.3MB in the beginning and 51.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,118 INFO L158 Benchmark]: CodeCheck took 9962.75ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 51.5MB in the beginning and 95.6MB in the end (delta: -44.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,118 INFO L158 Benchmark]: Witness Printer took 38.40ms. Allocated memory is still 190.8MB. Free memory was 95.6MB in the beginning and 92.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:37:41,120 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1497 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 695 mSDsluCounter, 1074 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 640 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2349 IncrementalHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 640 mSolverCounterUnsat, 552 mSDtfsCounter, 2349 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3195 GetRequests, 3012 SyntacticMatches, 17 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10365 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 1366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 132/178 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: 617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.43ms. Allocated memory is still 134.2MB. Free memory was 90.0MB in the beginning and 73.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.54ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.14ms. Allocated memory is still 134.2MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.78ms. Allocated memory is still 134.2MB. Free memory was 69.3MB in the beginning and 51.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9962.75ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 51.5MB in the beginning and 95.6MB in the end (delta: -44.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 38.40ms. Allocated memory is still 190.8MB. Free memory was 95.6MB in the beginning and 92.5MB 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 20:37:41,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9890a9c8-62af-4dc1-a4d8-074d24a1d72d/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