./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_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_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/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_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/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_255f66e2-eb7d-4196-9563-727fed521d6c/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 c97cc1a04ee6dfa2839891d47fcb132b8d0ef4f17f26b448801c6c954078a367 --- 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 03:55:04,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:55:04,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:55:04,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:55:04,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:55:04,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:55:04,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:55:04,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:55:04,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:55:04,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:55:04,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:55:04,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:55:04,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:55:04,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:55:04,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:55:04,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:55:04,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:55:04,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:55:04,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:55:04,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:55:04,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:55:04,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:55:04,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:55:04,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:55:04,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:55:04,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:55:04,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:55:04,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:55:04,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:55:04,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:55:04,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:55:04,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:55:04,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:55:04,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:55:04,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:55:04,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:55:04,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:55:04,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:55:04,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:55:04,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:55:04,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:55:04,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:55:04,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:55:04,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:55:04,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:55:04,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:55:04,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:55:04,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:55:04,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:55:04,819 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:55:04,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:55:04,821 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:55:04,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:55:04,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:55:04,821 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:55:04,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:55:04,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:55:04,822 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_255f66e2-eb7d-4196-9563-727fed521d6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c97cc1a04ee6dfa2839891d47fcb132b8d0ef4f17f26b448801c6c954078a367 [2022-12-15 03:55:05,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:55:05,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:55:05,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:55:05,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:55:05,028 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:55:05,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i [2022-12-15 03:55:07,600 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:55:07,804 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:55:07,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i [2022-12-15 03:55:07,817 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/data/153c0f976/19ad1cfdf5d44038a6386ff651aed46f/FLAGd215f48c8 [2022-12-15 03:55:07,829 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/data/153c0f976/19ad1cfdf5d44038a6386ff651aed46f [2022-12-15 03:55:07,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:55:07,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:55:07,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:55:07,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:55:07,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:55:07,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:55:07" (1/1) ... [2022-12-15 03:55:07,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a59546d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:07, skipping insertion in model container [2022-12-15 03:55:07,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:55:07" (1/1) ... [2022-12-15 03:55:07,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:55:07,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:55:08,189 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:55:08,514 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:55:08,518 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:55:08,520 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:55:08,523 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:55:08,524 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:55:08,543 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:55:08,550 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:55:08,559 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:55:08,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:55:08,570 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:55:08,589 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:55:08,642 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:55:08,643 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:55:08,644 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:55:08,647 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:55:08,647 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:55:08,652 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:55:08,655 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:55:08,659 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:55:08,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:55:08,782 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:55:08,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08 WrapperNode [2022-12-15 03:55:08,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:55:08,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:55:08,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:55:08,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:55:08,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,822 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-15 03:55:08,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:55:08,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:55:08,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:55:08,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:55:08,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:55:08,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:55:08,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:55:08,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:55:08,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:55:08" (1/1) ... [2022-12-15 03:55:08,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:55:08,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:55:08,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:55:08,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:55:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:55:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:55:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 03:55:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:55:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:55:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:55:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:55:09,017 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:55:09,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:55:09,199 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:55:09,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:55:09,222 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:55:09,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:55:09 BoogieIcfgContainer [2022-12-15 03:55:09,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:55:09,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:55:09,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:55:09,234 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:55:09,234 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:55:09" (1/1) ... [2022-12-15 03:55:09,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:55:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 03:55:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 03:55:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:55:09,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:09,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:09,451 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 03:55:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-15 03:55:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:55:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:55:09,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:09,560 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 03:55:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-15 03:55:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 03:55:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:55:09,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:09,650 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 03:55:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-15 03:55:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 03:55:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:55:09,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:09,781 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 03:55:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-15 03:55:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 03:55:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:55:09,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:09,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:09,908 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 03:55:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-15 03:55:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:55:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:55:10,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,231 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 03:55:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-15 03:55:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-15 03:55:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:55:10,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,474 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 03:55:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-15 03:55:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-15 03:55:10,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:55:10,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,513 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 03:55:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-15 03:55:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 03:55:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:55:10,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,701 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 03:55:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-15 03:55:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 03:55:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:55:10,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,811 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 03:55:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-15 03:55:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-15 03:55:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:55:10,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:10,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:10,943 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 03:55:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-15 03:55:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-15 03:55:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:55:11,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,117 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 03:55:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-15 03:55:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-15 03:55:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:55:11,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,299 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 03:55:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-15 03:55:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-15 03:55:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:55:11,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,469 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 03:55:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-15 03:55:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 03:55:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:55:11,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,512 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 03:55:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-15 03:55:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 03:55:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:55:11,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,651 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 03:55:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-15 03:55:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 03:55:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:55:11,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:11,811 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 03:55:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-15 03:55:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:55:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:55:11,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:11,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:12,020 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 03:55:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-15 03:55:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-15 03:55:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:55:12,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:12,535 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 03:55:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:12,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-15 03:55:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-15 03:55:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:55:12,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:12,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:12,823 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 03:55:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-15 03:55:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-15 03:55:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:55:13,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:13,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:13,073 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 03:55:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-15 03:55:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-15 03:55:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:55:13,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:13,351 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 03:55:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-15 03:55:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-15 03:55:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:55:13,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:13,646 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 03:55:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-15 03:55:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-15 03:55:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 03:55:13,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:14,014 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 03:55:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-15 03:55:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-15 03:55:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 03:55:14,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:14,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:14,401 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 03:55:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-15 03:55:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 03:55:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 03:55:14,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:55:14,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:55:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:55:14,555 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 03:55:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:55:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-15 03:55:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 03:55:14,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:55:14,823 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-15 03:55:14,828 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 03:55:15,014 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:55:15,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:55:15 ImpRootNode [2022-12-15 03:55:15,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:55:15,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:55:15,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:55:15,019 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:55:15,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:55:09" (3/4) ... [2022-12-15 03:55:15,023 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:55:15,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:55:15,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:55:15,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 03:55:15,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 03:55:15,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:55:15,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:55:15,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:55:15,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:55:15,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:55:15,071 INFO L158 Benchmark]: Toolchain (without parser) took 7239.48ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 74.8MB in the beginning and 121.5MB in the end (delta: -46.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,072 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:55:15,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.78ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 73.4MB in the end (delta: 1.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.81ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 69.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,073 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,073 INFO L158 Benchmark]: RCFGBuilder took 383.32ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 100.6MB in the end (delta: -32.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,074 INFO L158 Benchmark]: CodeCheck took 5793.27ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 100.6MB in the beginning and 125.6MB in the end (delta: -25.0MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,074 INFO L158 Benchmark]: Witness Printer took 51.87ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 121.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:55:15,076 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: 5.6s, 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, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1529 mSDsluCounter, 3493 SdHoareTripleChecker+Invalid, 4.2s 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, 3.8s 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: 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 0.13ms. Allocated memory is still 117.4MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.78ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 73.4MB in the end (delta: 1.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.81ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 69.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 67.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.32ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 100.6MB in the end (delta: -32.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 5793.27ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 100.6MB in the beginning and 125.6MB in the end (delta: -25.0MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Witness Printer took 51.87ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 121.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:55:15,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_255f66e2-eb7d-4196-9563-727fed521d6c/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