./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/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_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/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_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/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 ab62f8b3d679fbb6a4ed6ed0a8c06575d885a26d8627ef382beb37c35f057c99 --- 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 [2022-12-15 01:53:17,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:53:17,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:53:17,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:53:17,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:53:17,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:53:17,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:53:17,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:53:17,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:53:17,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:53:17,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:53:17,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:53:17,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:53:17,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:53:17,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:53:17,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:53:17,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:53:17,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:53:17,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:53:17,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:53:17,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:53:17,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:53:17,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:53:17,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:53:17,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:53:17,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:53:17,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:53:17,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:53:17,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:53:17,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:53:17,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:53:17,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:53:17,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:53:17,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:53:17,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:53:17,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:53:17,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:53:17,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:53:17,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:53:17,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:53:17,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:53:17,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:53:17,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:53:17,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:53:17,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:53:17,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:53:17,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:53:17,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:53:17,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:53:17,629 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:53:17,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:53:17,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:53:17,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:53:17,630 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:53:17,630 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:53:17,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:53:17,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:17,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:53:17,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:53:17,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:53:17,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:53:17,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:53:17,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:53:17,631 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_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab62f8b3d679fbb6a4ed6ed0a8c06575d885a26d8627ef382beb37c35f057c99 [2022-12-15 01:53:17,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:53:17,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:53:17,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:53:17,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:53:17,823 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:53:17,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_good.i [2022-12-15 01:53:20,408 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:53:20,708 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:53:20,708 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_05_good.i [2022-12-15 01:53:20,722 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/data/3db8568b3/8e4e809e0c524bbe8f8a9cf2f9f045f8/FLAG47d05e991 [2022-12-15 01:53:20,979 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/data/3db8568b3/8e4e809e0c524bbe8f8a9cf2f9f045f8 [2022-12-15 01:53:20,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:53:20,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:53:20,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:20,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:53:20,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:53:20,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:20" (1/1) ... [2022-12-15 01:53:20,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea6dcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:20, skipping insertion in model container [2022-12-15 01:53:20,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:53:20" (1/1) ... [2022-12-15 01:53:20,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:53:21,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:53:21,292 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:53:21,598 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:53:21,603 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:21,604 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:21,606 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:21,606 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:21,623 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:53:21,628 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:53:21,635 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:53:21,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:21,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:53:21,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:53:21,690 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:53:21,691 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:21,691 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:53:21,693 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:21,693 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:53:21,696 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:53:21,699 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:53:21,702 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:53:21,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:53:21,790 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:53:21,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21 WrapperNode [2022-12-15 01:53:21,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:53:21,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:21,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:53:21,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:53:21,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,831 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-12-15 01:53:21,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:53:21,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:53:21,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:53:21,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:53:21,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:53:21,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:53:21,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:53:21,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:53:21,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:53:21" (1/1) ... [2022-12-15 01:53:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:53:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:53:21,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:53:21,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:53:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:53:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:53:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:53:21,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:53:21,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:53:21,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:53:21,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:53:22,027 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:53:22,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:53:22,173 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:53:22,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:53:22,205 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:53:22,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:22 BoogieIcfgContainer [2022-12-15 01:53:22,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:53:22,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:53:22,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:53:22,215 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:53:22,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:22" (1/1) ... [2022-12-15 01:53:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:53:22,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 01:53:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 01:53:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:53:22,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-15 01:53:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:53:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:53:22,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-15 01:53:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 01:53:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:53:22,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:22,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-15 01:53:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 01:53:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:53:22,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:22,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-15 01:53:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 01:53:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:53:22,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:22,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:23,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-15 01:53:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:53:23,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:53:23,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-15 01:53:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-15 01:53:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:53:23,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-15 01:53:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-15 01:53:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:53:23,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-15 01:53:23,644 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 01:53:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:53:23,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-15 01:53:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 01:53:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:53:23,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-15 01:53:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-15 01:53:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:53:23,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-15 01:53:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-15 01:53:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:53:24,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-15 01:53:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-15 01:53:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:53:24,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-15 01:53:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-15 01:53:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:53:24,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-15 01:53:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:53:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:53:24,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-15 01:53:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 01:53:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:53:24,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-15 01:53:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 01:53:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:53:24,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-15 01:53:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:53:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:53:24,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:24,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:53:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-15 01:53:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-15 01:53:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:53:25,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-15 01:53:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-15 01:53:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:53:25,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-15 01:53:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-15 01:53:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:53:26,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:26,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-15 01:53:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-15 01:53:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:53:26,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:26,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:53:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-15 01:53:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-15 01:53:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:53:26,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 01:53:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-15 01:53:26,825 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-15 01:53:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:53:26,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-15 01:53:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-15 01:53:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:53:27,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:27,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:53:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-15 01:53:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 01:53:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:53:27,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:27,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:53:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-15 01:53:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 01:53:27,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:53:27,684 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-15 01:53:27,691 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:53:27,858 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:53:27,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:53:27 ImpRootNode [2022-12-15 01:53:27,862 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:53:27,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:53:27,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:53:27,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:53:27,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:53:22" (3/4) ... [2022-12-15 01:53:27,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:53:27,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:53:27,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:53:27,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:53:27,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:53:27,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:53:27,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:53:27,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:53:27,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:53:27,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:53:27,907 INFO L158 Benchmark]: Toolchain (without parser) took 6924.38ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.2MB in the beginning and 45.1MB in the end (delta: 54.1MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,907 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 81.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:53:27,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.96ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 98.8MB in the beginning and 117.9MB in the end (delta: -19.1MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.97ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,908 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 113.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:53:27,908 INFO L158 Benchmark]: RCFGBuilder took 349.23ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 93.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,908 INFO L158 Benchmark]: CodeCheck took 5653.53ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 49.2MB in the end (delta: 44.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,908 INFO L158 Benchmark]: Witness Printer took 44.51ms. Allocated memory is still 167.8MB. Free memory was 49.2MB in the beginning and 45.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:53:27,910 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: 5.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4560 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1529 mSDsluCounter, 3493 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1300 mSDsCounter, 1184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4552 IncrementalHoareTripleChecker+Invalid, 5736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1184 mSolverCounterUnsat, 2193 mSDtfsCounter, 4552 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6112 GetRequests, 5924 SyntacticMatches, 14 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14050 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 81.7MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.96ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 98.8MB in the beginning and 117.9MB in the end (delta: -19.1MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.97ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 113.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.23ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 93.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5653.53ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 49.2MB in the end (delta: 44.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 44.51ms. Allocated memory is still 167.8MB. Free memory was 49.2MB in the beginning and 45.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:53:27,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbee4f4-943f-4ee3-b3a0-4ab6d124879b/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