./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/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_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/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_cc3d04c5-7c67-45b7-84a7-b7f288115a92/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 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca --- 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 18:06:40,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:06:40,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:06:40,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:06:40,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:06:40,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:06:40,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:06:40,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:06:40,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:06:40,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:06:40,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:06:40,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:06:40,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:06:40,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:06:40,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:06:40,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:06:40,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:06:40,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:06:40,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:06:40,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:06:40,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:06:40,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:06:40,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:06:40,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:06:40,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:06:40,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:06:40,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:06:40,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:06:40,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:06:40,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:06:40,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:06:40,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:06:40,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:06:40,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:06:40,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:06:40,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:06:40,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:06:40,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:06:40,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:06:40,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:06:40,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:06:40,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:06:40,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:06:40,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:06:40,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:06:40,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:06:40,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:06:40,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:06:40,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:06:40,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:06:40,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:06:40,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:06:40,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:06:40,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:06:40,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:06:40,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:06:40,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:06:40,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:06:40,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:06:40,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:06:40,168 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:06:40,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:06:40,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:40,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:06:40,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:06:40,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:06:40,169 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:06:40,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:06:40,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:06:40,170 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_cc3d04c5-7c67-45b7-84a7-b7f288115a92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca [2022-12-14 18:06:40,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:06:40,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:06:40,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:06:40,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:06:40,378 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:06:40,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2022-12-14 18:06:42,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:06:43,156 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:06:43,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2022-12-14 18:06:43,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/data/f2530586b/3b57e290eea9469f9133856282e8a74d/FLAG4799fd5bf [2022-12-14 18:06:43,486 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/data/f2530586b/3b57e290eea9469f9133856282e8a74d [2022-12-14 18:06:43,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:06:43,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:06:43,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:43,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:06:43,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:06:43,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:43" (1/1) ... [2022-12-14 18:06:43,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58dc7592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:43, skipping insertion in model container [2022-12-14 18:06:43,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:43" (1/1) ... [2022-12-14 18:06:43,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:06:43,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:06:43,777 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:06:44,079 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:06:44,083 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:44,084 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:44,086 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:44,086 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:44,102 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:44,107 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:44,114 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:06:44,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:44,123 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:06:44,137 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:06:44,165 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:06:44,166 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:44,167 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:44,168 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:44,169 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:44,172 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:44,174 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:44,177 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:06:44,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:44,278 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:06:44,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44 WrapperNode [2022-12-14 18:06:44,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:44,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:44,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:06:44,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:06:44,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,335 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-14 18:06:44,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:44,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:06:44,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:06:44,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:06:44,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:06:44,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:06:44,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:06:44,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:06:44,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:44,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:06:44,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:06:44,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:06:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:06:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:06:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:06:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:06:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:06:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:06:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:06:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:06:44,549 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:06:44,551 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:06:44,706 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:06:44,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:06:44,730 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:06:44,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:44 BoogieIcfgContainer [2022-12-14 18:06:44,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:06:44,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:06:44,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:06:44,741 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:06:44,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:44" (1/1) ... [2022-12-14 18:06:44,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:06:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 18:06:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 18:06:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:06:44,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:44,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:44,963 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 18:06:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 18:06:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:06:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:06:45,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:45,077 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 18:06:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 18:06:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 18:06:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:06:45,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:45,188 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 18:06:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 18:06:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 18:06:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:06:45,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:45,332 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 18:06:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 18:06:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 18:06:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:06:45,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:45,452 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 18:06:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 18:06:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:06:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:06:45,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:45,747 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 18:06:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 18:06:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 18:06:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:06:45,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,003 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 18:06:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 18:06:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 18:06:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:06:46,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,042 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 18:06:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 18:06:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 18:06:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:06:46,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,241 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 18:06:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 18:06:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 18:06:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:06:46,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,350 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 18:06:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 18:06:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 18:06:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:06:46,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,483 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 18:06:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 18:06:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 18:06:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:06:46,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,662 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 18:06:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 18:06:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 18:06:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:06:46,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:46,847 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 18:06:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 18:06:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 18:06:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:06:46,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:47,008 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 18:06:47,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 18:06:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:06:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:06:47,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:47,053 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 18:06:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 18:06:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:06:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:06:47,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:47,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:47,193 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 18:06:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 18:06:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:06:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:06:47,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:47,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:47,364 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 18:06:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 18:06:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:06:47,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:06:47,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:47,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:06:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 18:06:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 18:06:48,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:06:48,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:48,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:48,149 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 18:06:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 18:06:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 18:06:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:06:48,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:48,392 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 18:06:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 18:06:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 18:06:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:06:48,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:48,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:48,647 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 18:06:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-14 18:06:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-14 18:06:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:06:48,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:48,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:48,921 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 18:06:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-14 18:06:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-14 18:06:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:06:49,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:06:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-14 18:06:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-14 18:06:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:06:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:49,567 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 18:06:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-14 18:06:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-14 18:06:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:06:49,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:06:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-14 18:06:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 18:06:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:06:49,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:49,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:50,111 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 18:06:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-14 18:06:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 18:06:50,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:06:50,389 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 18:06:50,394 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:06:50,611 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:06:50,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:06:50 ImpRootNode [2022-12-14 18:06:50,615 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:06:50,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:06:50,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:06:50,616 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:06:50,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:44" (3/4) ... [2022-12-14 18:06:50,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:06:50,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:06:50,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:06:50,625 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:06:50,625 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:06:50,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:06:50,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:06:50,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:06:50,659 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:06:50,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:06:50,659 INFO L158 Benchmark]: Toolchain (without parser) took 7168.09ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 128.3MB in the beginning and 150.2MB in the end (delta: -21.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,660 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:06:50,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.86ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 127.8MB in the beginning and 170.1MB in the end (delta: -42.3MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.51ms. Allocated memory is still 201.3MB. Free memory was 170.1MB in the beginning and 166.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,660 INFO L158 Benchmark]: Boogie Preprocessor took 27.43ms. Allocated memory is still 201.3MB. Free memory was 166.9MB in the beginning and 165.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,661 INFO L158 Benchmark]: RCFGBuilder took 368.03ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 147.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,661 INFO L158 Benchmark]: CodeCheck took 5881.89ms. Allocated memory is still 201.3MB. Free memory was 147.0MB in the beginning and 153.3MB in the end (delta: -6.3MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,661 INFO L158 Benchmark]: Witness Printer took 43.41ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 150.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:50,662 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, 4.8s 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, 1.2s 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 0.15ms. Allocated memory is still 167.8MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.86ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 127.8MB in the beginning and 170.1MB in the end (delta: -42.3MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.51ms. Allocated memory is still 201.3MB. Free memory was 170.1MB in the beginning and 166.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.43ms. Allocated memory is still 201.3MB. Free memory was 166.9MB in the beginning and 165.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.03ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 147.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5881.89ms. Allocated memory is still 201.3MB. Free memory was 147.0MB in the beginning and 153.3MB in the end (delta: -6.3MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * Witness Printer took 43.41ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 150.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:06:50,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3d04c5-7c67-45b7-84a7-b7f288115a92/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