./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_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_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/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_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/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_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/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 8d7a9d90d7cdcc5bfff8ca91552625fe7686798f368a5f69729c8bdcc3bb9d2f --- 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 21:40:38,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:40:38,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:40:39,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:40:39,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:40:39,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:40:39,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:40:39,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:40:39,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:40:39,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:40:39,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:40:39,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:40:39,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:40:39,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:40:39,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:40:39,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:40:39,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:40:39,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:40:39,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:40:39,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:40:39,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:40:39,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:40:39,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:40:39,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:40:39,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:40:39,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:40:39,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:40:39,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:40:39,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:40:39,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:40:39,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:40:39,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:40:39,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:40:39,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:40:39,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:40:39,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:40:39,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:40:39,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:40:39,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:40:39,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:40:39,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:40:39,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:40:39,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:40:39,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:40:39,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:40:39,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:40:39,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:40:39,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:40:39,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:40:39,044 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:40:39,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:40:39,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:40:39,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:40:39,045 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:40:39,045 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:40:39,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:40:39,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:40:39,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:40:39,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:40:39,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:40:39,046 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:40:39,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:40:39,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:40:39,047 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_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7a9d90d7cdcc5bfff8ca91552625fe7686798f368a5f69729c8bdcc3bb9d2f [2022-12-14 21:40:39,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:40:39,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:40:39,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:40:39,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:40:39,229 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:40:39,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i [2022-12-14 21:40:41,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:40:42,105 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:40:42,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_10_good.i [2022-12-14 21:40:42,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/data/c480f94c0/e9eeebe8e6404b9492c97a561aebc071/FLAGb5a8b9a30 [2022-12-14 21:40:42,139 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/data/c480f94c0/e9eeebe8e6404b9492c97a561aebc071 [2022-12-14 21:40:42,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:40:42,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:40:42,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:40:42,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:40:42,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:40:42,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:40:42" (1/1) ... [2022-12-14 21:40:42,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1c2f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:42, skipping insertion in model container [2022-12-14 21:40:42,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:40:42" (1/1) ... [2022-12-14 21:40:42,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:40:42,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:40:42,489 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:40:42,824 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:40:42,829 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:40:42,831 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:40:42,834 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:40:42,834 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:40:42,855 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 21:40:42,860 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 21:40:42,866 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:40:42,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:40:42,875 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:40:42,889 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:40:42,920 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:40:42,922 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:40:42,922 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:40:42,924 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:40:42,924 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:40:42,927 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 21:40:42,929 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 21:40:42,932 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:40:42,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:40:43,015 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:40:43,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43 WrapperNode [2022-12-14 21:40:43,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:40:43,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:40:43,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:40:43,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:40:43,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,065 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-14 21:40:43,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:40:43,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:40:43,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:40:43,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:40:43,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:40:43,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:40:43,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:40:43,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:40:43,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:40:43,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:40:43,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:40:43,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:40:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 21:40:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 21:40:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 21:40:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 21:40:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 21:40:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:40:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 21:40:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:40:43,276 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:40:43,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:40:43,432 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:40:43,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:40:43,453 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 21:40:43,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:40:43 BoogieIcfgContainer [2022-12-14 21:40:43,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:40:43,456 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:40:43,456 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:40:43,463 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:40:43,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:40:43" (1/1) ... [2022-12-14 21:40:43,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:40:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 21:40:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 21:40:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:40:43,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:43,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:43,706 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 21:40:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 21:40:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 21:40:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:40:43,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:43,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:43,839 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 21:40:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 21:40:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 21:40:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:40:43,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:43,911 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 21:40:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-12-14 21:40:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-12-14 21:40:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:40:43,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,010 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 21:40:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-12-14 21:40:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 21:40:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:40:44,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,105 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 21:40:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-12-14 21:40:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 21:40:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:40:44,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,409 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 21:40:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-12-14 21:40:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 21:40:44,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:40:44,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,661 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 21:40:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-12-14 21:40:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 21:40:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:40:44,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,714 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 21:40:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-12-14 21:40:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 21:40:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:40:44,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,915 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 21:40:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-12-14 21:40:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 21:40:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:40:44,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:44,971 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 21:40:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-12-14 21:40:45,104 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 21:40:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:40:45,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,153 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 21:40:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-12-14 21:40:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-12-14 21:40:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:40:45,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,255 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 21:40:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-12-14 21:40:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-14 21:40:45,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:40:45,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,389 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 21:40:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-12-14 21:40:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-14 21:40:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:40:45,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,519 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 21:40:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-12-14 21:40:45,535 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 21:40:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:40:45,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,571 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 21:40:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-12-14 21:40:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 21:40:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:40:45,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,672 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 21:40:45,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-12-14 21:40:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 21:40:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:40:45,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,744 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 21:40:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 51 states and 68 transitions. [2022-12-14 21:40:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-12-14 21:40:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:40:45,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:45,787 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 21:40:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 60 states and 82 transitions. [2022-12-14 21:40:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-12-14 21:40:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:40:46,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:46,228 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 21:40:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:46,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 63 states and 86 transitions. [2022-12-14 21:40:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 21:40:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 21:40:46,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:46,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:46,410 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 21:40:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 81 transitions. [2022-12-14 21:40:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-12-14 21:40:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:40:46,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:46,660 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 21:40:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 63 states and 86 transitions. [2022-12-14 21:40:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 21:40:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 21:40:46,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:46,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:46,900 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 21:40:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 66 states and 89 transitions. [2022-12-14 21:40:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-12-14 21:40:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:40:47,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:47,147 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 21:40:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2022-12-14 21:40:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-12-14 21:40:47,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 21:40:47,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:47,426 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 21:40:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 69 states and 93 transitions. [2022-12-14 21:40:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-12-14 21:40:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:40:47,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:47,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:47,511 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 21:40:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 44 states and 56 transitions. [2022-12-14 21:40:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 21:40:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:40:47,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:47,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:47,826 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 21:40:47,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 55 transitions. [2022-12-14 21:40:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 21:40:47,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:40:47,845 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 21:40:47,852 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 21:40:48,030 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:40:48,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:40:48 ImpRootNode [2022-12-14 21:40:48,034 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:40:48,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:40:48,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:40:48,035 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:40:48,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:40:43" (3/4) ... [2022-12-14 21:40:48,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:40:48,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 21:40:48,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 21:40:48,048 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 21:40:48,048 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 21:40:48,048 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 21:40:48,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:40:48,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:40:48,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:40:48,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:40:48,085 INFO L158 Benchmark]: Toolchain (without parser) took 5941.89ms. Allocated memory is still 224.4MB. Free memory was 182.4MB in the beginning and 99.5MB in the end (delta: 82.9MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2022-12-14 21:40:48,085 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:40:48,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.62ms. Allocated memory is still 224.4MB. Free memory was 182.4MB in the beginning and 117.4MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-12-14 21:40:48,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.75ms. Allocated memory is still 224.4MB. Free memory was 117.4MB in the beginning and 114.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:40:48,086 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 224.4MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:40:48,086 INFO L158 Benchmark]: RCFGBuilder took 362.26ms. Allocated memory is still 224.4MB. Free memory was 113.2MB in the beginning and 94.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:40:48,086 INFO L158 Benchmark]: CodeCheck took 4578.44ms. Allocated memory is still 224.4MB. Free memory was 93.3MB in the beginning and 103.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:40:48,086 INFO L158 Benchmark]: Witness Printer took 50.02ms. Allocated memory is still 224.4MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:40:48,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4565 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1690 mSDsluCounter, 3551 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1336 mSDsCounter, 1041 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4500 IncrementalHoareTripleChecker+Invalid, 5541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1041 mSolverCounterUnsat, 2215 mSDtfsCounter, 4500 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6075 GetRequests, 5915 SyntacticMatches, 12 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10711 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1230 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 0.21ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.62ms. Allocated memory is still 224.4MB. Free memory was 182.4MB in the beginning and 117.4MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.75ms. Allocated memory is still 224.4MB. Free memory was 117.4MB in the beginning and 114.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 224.4MB. Free memory was 114.3MB in the beginning and 113.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.26ms. Allocated memory is still 224.4MB. Free memory was 113.2MB in the beginning and 94.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4578.44ms. Allocated memory is still 224.4MB. Free memory was 93.3MB in the beginning and 103.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.02ms. Allocated memory is still 224.4MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:40:48,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9b10ff-d5df-4a0d-957f-cb639df5b3d4/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