./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_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_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/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_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/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_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/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 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:20:22,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:20:22,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:20:22,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:20:22,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:20:22,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:20:22,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:20:22,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:20:22,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:20:22,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:20:22,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:20:22,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:20:22,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:20:22,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:20:22,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:20:22,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:20:22,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:20:22,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:20:22,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:20:22,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:20:22,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:20:22,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:20:22,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:20:22,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:20:22,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:20:22,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:20:22,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:20:22,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:20:22,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:20:22,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:20:22,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:20:22,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:20:22,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:20:22,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:20:22,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:20:22,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:20:22,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:20:22,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:20:22,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:20:22,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:20:22,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:20:22,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:20:22,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:20:22,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:20:22,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:20:22,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:20:22,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:20:22,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:20:22,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:20:22,152 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:20:22,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:20:22,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:20:22,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:20:22,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:20:22,153 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:20:22,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:20:22,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:20:22,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:22,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:20:22,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:20:22,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:20:22,155 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:20:22,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:20:22,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:20:22,155 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_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e [2022-12-14 23:20:22,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:20:22,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:20:22,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:20:22,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:20:22,364 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:20:22,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2022-12-14 23:20:24,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:20:25,219 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:20:25,219 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2022-12-14 23:20:25,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/data/27bfd255b/77f420049a414a8daa60b401045f0b02/FLAG7c550f5bf [2022-12-14 23:20:25,251 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/data/27bfd255b/77f420049a414a8daa60b401045f0b02 [2022-12-14 23:20:25,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:20:25,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:20:25,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:25,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:20:25,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:20:25,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:25" (1/1) ... [2022-12-14 23:20:25,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e66f429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:25, skipping insertion in model container [2022-12-14 23:20:25,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:25" (1/1) ... [2022-12-14 23:20:25,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:20:25,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:20:25,515 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:20:25,794 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:20:25,798 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:20:25,799 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:20:25,801 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:20:25,802 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:20:25,816 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:20:25,821 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:20:25,827 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:20:25,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:25,836 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:20:25,849 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:20:25,880 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:20:25,881 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:20:25,882 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:20:25,884 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:20:25,884 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:20:25,888 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:20:25,890 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:20:25,893 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:20:25,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:26,014 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:20:26,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26 WrapperNode [2022-12-14 23:20:26,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:26,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:26,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:20:26,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:20:26,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,066 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-12-14 23:20:26,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:26,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:20:26,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:20:26,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:20:26,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:20:26,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:20:26,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:20:26,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:20:26,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:26,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:20:26,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:20:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:20:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:20:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:20:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:20:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:20:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:20:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:20:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:20:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:20:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:20:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:20:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:20:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:20:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:20:26,270 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:20:26,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:20:26,444 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:20:26,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:20:26,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:20:26,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:20:26 BoogieIcfgContainer [2022-12-14 23:20:26,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:20:26,469 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:20:26,469 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:20:26,476 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:20:26,476 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:20:26" (1/1) ... [2022-12-14 23:20:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:20:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-12-14 23:20:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-12-14 23:20:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:20:26,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-12-14 23:20:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-12-14 23:20:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:20:26,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-12-14 23:20:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-12-14 23:20:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:20:26,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:26,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-12-14 23:20:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-12-14 23:20:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:20:26,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-12-14 23:20:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-12-14 23:20:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:20:27,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-12-14 23:20:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-12-14 23:20:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:20:27,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-12-14 23:20:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-12-14 23:20:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:20:27,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-12-14 23:20:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-12-14 23:20:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:20:27,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-12-14 23:20:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-12-14 23:20:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:20:27,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-12-14 23:20:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-12-14 23:20:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:20:27,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-12-14 23:20:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-12-14 23:20:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:20:27,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 95 transitions. [2022-12-14 23:20:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-12-14 23:20:27,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:20:27,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 101 transitions. [2022-12-14 23:20:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2022-12-14 23:20:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:20:27,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 116 transitions. [2022-12-14 23:20:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2022-12-14 23:20:27,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:20:27,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 115 transitions. [2022-12-14 23:20:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2022-12-14 23:20:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:20:27,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:20:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 108 transitions. [2022-12-14 23:20:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-12-14 23:20:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:20:27,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 106 transitions. [2022-12-14 23:20:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-12-14 23:20:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:20:28,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:20:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 107 transitions. [2022-12-14 23:20:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-12-14 23:20:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:20:28,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 103 transitions. [2022-12-14 23:20:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-12-14 23:20:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:20:28,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:20:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 107 transitions. [2022-12-14 23:20:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2022-12-14 23:20:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:20:28,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 106 transitions. [2022-12-14 23:20:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-12-14 23:20:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:20:28,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:20:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 105 transitions. [2022-12-14 23:20:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-12-14 23:20:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:20:28,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 111 transitions. [2022-12-14 23:20:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2022-12-14 23:20:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:20:28,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 115 transitions. [2022-12-14 23:20:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2022-12-14 23:20:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:20:28,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 80 states and 116 transitions. [2022-12-14 23:20:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2022-12-14 23:20:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:20:29,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:20:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 52 states and 68 transitions. [2022-12-14 23:20:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-12-14 23:20:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:20:29,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:29,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 56 states and 73 transitions. [2022-12-14 23:20:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-12-14 23:20:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:20:29,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:20:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:20:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:20:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 47 states and 61 transitions. [2022-12-14 23:20:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-12-14 23:20:29,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:20:29,565 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-12-14 23:20:29,571 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 23:20:29,774 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:20:29,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:20:29 ImpRootNode [2022-12-14 23:20:29,778 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:20:29,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:20:29,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:20:29,779 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:20:29,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:20:26" (3/4) ... [2022-12-14 23:20:29,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:20:29,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:20:29,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:20:29,790 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 23:20:29,790 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:20:29,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:20:29,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:20:29,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:20:29,834 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:20:29,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:20:29,835 INFO L158 Benchmark]: Toolchain (without parser) took 4580.87ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 95.9MB in the beginning and 44.2MB in the end (delta: 51.7MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,835 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:20:29,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.02ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 95.5MB in the beginning and 106.5MB in the end (delta: -11.0MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.92ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 103.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,836 INFO L158 Benchmark]: Boogie Preprocessor took 26.24ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,837 INFO L158 Benchmark]: RCFGBuilder took 375.37ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 82.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,837 INFO L158 Benchmark]: CodeCheck took 3308.94ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 48.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,837 INFO L158 Benchmark]: Witness Printer took 55.98ms. Allocated memory is still 153.1MB. Free memory was 48.2MB in the beginning and 44.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:20:29,839 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5038 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1946 mSDsluCounter, 4518 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2015 mSDsCounter, 998 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3547 IncrementalHoareTripleChecker+Invalid, 4545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 998 mSolverCounterUnsat, 2503 mSDtfsCounter, 3547 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6329 GetRequests, 6247 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2360 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 42/42 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.02ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 95.5MB in the beginning and 106.5MB in the end (delta: -11.0MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.92ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 103.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.24ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.37ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 82.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3308.94ms. Allocated memory is still 153.1MB. Free memory was 82.2MB in the beginning and 48.2MB in the end (delta: 34.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 55.98ms. Allocated memory is still 153.1MB. Free memory was 48.2MB in the beginning and 44.2MB 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! [2022-12-14 23:20:29,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6d975f0-bb45-43f1-b5ce-56d4d1f4f728/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