./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/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_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/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 64bit --witnessprinter.graph.data.programhash e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 --- 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 23:39:18,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:39:18,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:39:18,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:39:18,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:39:18,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:39:18,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:39:18,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:39:18,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:39:18,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:39:18,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:39:18,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:39:18,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:39:18,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:39:18,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:39:18,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:39:18,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:39:18,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:39:18,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:39:18,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:39:18,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:39:18,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:39:18,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:39:18,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:39:18,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:39:18,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:39:18,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:39:18,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:39:18,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:39:18,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:39:18,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:39:18,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:39:18,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:39:18,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:39:18,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:39:18,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:39:18,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:39:18,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:39:18,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:39:18,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:39:18,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:39:18,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:39:18,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:39:18,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:39:18,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:39:18,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:39:18,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:39:18,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:39:18,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:39:18,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:39:18,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:39:18,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:39:18,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:39:18,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:39:18,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:18,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:39:18,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:39:18,515 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_16594b78-6cb8-454f-b624-4c2f02b81a3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 [2022-12-14 23:39:18,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:39:18,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:39:18,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:39:18,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:39:18,697 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:39:18,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-12-14 23:39:21,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:39:21,503 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:39:21,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-12-14 23:39:21,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/data/3fcb944cd/3971c0cc81e942febeb6ec11147cc5d2/FLAG4930de819 [2022-12-14 23:39:21,825 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/data/3fcb944cd/3971c0cc81e942febeb6ec11147cc5d2 [2022-12-14 23:39:21,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:39:21,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:39:21,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:21,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:39:21,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:39:21,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:21" (1/1) ... [2022-12-14 23:39:21,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7801d9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:21, skipping insertion in model container [2022-12-14 23:39:21,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:21" (1/1) ... [2022-12-14 23:39:21,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:39:21,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:39:22,085 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:39:22,385 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:39:22,389 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:39:22,391 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:39:22,393 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:39:22,393 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:39:22,410 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:39:22,416 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:39:22,423 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:39:22,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:22,432 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:39:22,447 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:39:22,491 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:39:22,492 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:39:22,493 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:39:22,494 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:39:22,495 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:39:22,498 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:39:22,501 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:39:22,510 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:39:22,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:22,586 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:39:22,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22 WrapperNode [2022-12-14 23:39:22,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:22,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:22,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:39:22,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:39:22,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,637 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-14 23:39:22,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:22,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:39:22,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:39:22,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:39:22,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:39:22,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:39:22,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:39:22,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:39:22,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:22" (1/1) ... [2022-12-14 23:39:22,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:39:22,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:39:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:39:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:39:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:39:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:39:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:39:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:39:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:39:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:39:22,832 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:39:22,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:39:22,991 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:39:23,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:39:23,014 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:39:23,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:23 BoogieIcfgContainer [2022-12-14 23:39:23,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:39:23,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:39:23,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:39:23,024 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:39:23,024 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:23" (1/1) ... [2022-12-14 23:39:23,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:39:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 23:39:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 23:39:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:39:23,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,245 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 23:39:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 23:39:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:39:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:39:23,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,356 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 23:39:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 23:39:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 23:39:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:39:23,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,452 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 23:39:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 23:39:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 23:39:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:39:23,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 23:39:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 23:39:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:39:23,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 23:39:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:39:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:39:23,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 23:39:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 23:39:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:39:24,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 23:39:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 23:39:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:39:24,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,191 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 23:39:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 23:39:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 23:39:24,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:39:24,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 23:39:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 23:39:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:39:24,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 23:39:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 23:39:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:39:24,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 23:39:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 23:39:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:39:24,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 23:39:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 23:39:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:39:24,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 23:39:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 23:39:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:39:24,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 23:39:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 23:39:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:39:24,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:24,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 23:39:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 23:39:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:39:25,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 23:39:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 23:39:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:39:25,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:25,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 23:39:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:39:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:39:25,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 23:39:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 23:39:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 23:39:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:39:25,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 23:39:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:39:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:39:25,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 23:39:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 23:39:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:39:26,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:39:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 65 states and 90 transitions. [2022-12-14 23:39:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:39:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:39:26,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 93 transitions. [2022-12-14 23:39:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-12-14 23:39:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:39:26,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:26,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 23:39:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 90 transitions. [2022-12-14 23:39:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-12-14 23:39:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:39:26,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 69 states and 95 transitions. [2022-12-14 23:39:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-14 23:39:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:39:26,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 23:39:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-12-14 23:39:27,019 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 23:39:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:39:27,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:39:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:39:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:39:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:39:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:39:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 43 states and 55 transitions. [2022-12-14 23:39:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 23:39:27,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:39:27,184 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 23:39:27,190 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 23:39:27,377 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:39:27,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:39:27 ImpRootNode [2022-12-14 23:39:27,382 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:39:27,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:39:27,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:39:27,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:39:27,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:23" (3/4) ... [2022-12-14 23:39:27,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:39:27,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:39:27,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:39:27,395 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 23:39:27,396 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:39:27,396 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:39:27,396 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:39:27,396 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:39:27,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:39:27,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:39:27,441 INFO L158 Benchmark]: Toolchain (without parser) took 5612.88ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 89.0MB in the beginning and 62.4MB in the end (delta: 26.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,441 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:39:27,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.05ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 90.0MB in the end (delta: -1.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.65ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,442 INFO L158 Benchmark]: Boogie Preprocessor took 25.29ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 84.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,442 INFO L158 Benchmark]: RCFGBuilder took 352.20ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 65.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,443 INFO L158 Benchmark]: CodeCheck took 4365.37ms. Allocated memory is still 157.3MB. Free memory was 65.8MB in the beginning and 66.5MB in the end (delta: -718.4kB). Peak memory consumption was 123.0kB. Max. memory is 16.1GB. [2022-12-14 23:39:27,443 INFO L158 Benchmark]: Witness Printer took 58.24ms. Allocated memory is still 157.3MB. Free memory was 65.4MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:27,445 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4698 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1669 mSDsluCounter, 3609 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1384 mSDsCounter, 1056 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4490 IncrementalHoareTripleChecker+Invalid, 5546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1056 mSolverCounterUnsat, 2225 mSDtfsCounter, 4490 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6139 GetRequests, 5983 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9668 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: 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 127.9MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.05ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 90.0MB in the end (delta: -1.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.65ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.29ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 84.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.20ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 65.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4365.37ms. Allocated memory is still 157.3MB. Free memory was 65.8MB in the beginning and 66.5MB in the end (delta: -718.4kB). Peak memory consumption was 123.0kB. Max. memory is 16.1GB. * Witness Printer took 58.24ms. Allocated memory is still 157.3MB. Free memory was 65.4MB in the beginning and 62.4MB 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 23:39:27,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16594b78-6cb8-454f-b624-4c2f02b81a3f/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