./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ --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 1b1ee04deb280634167d210db37a5daa14bfd0b116d2ed78a09ddfe3e3cc1d14 --- 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-6b4ec56 [2022-11-20 16:54:28,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:28,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:28,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:28,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:28,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:28,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:28,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:28,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:28,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:28,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:28,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:28,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:28,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:28,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:29,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:29,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:29,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:29,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:29,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:29,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:29,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:29,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:29,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:29,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:29,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:29,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:29,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:29,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:29,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:29,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:29,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:29,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:29,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:29,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:29,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:29,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:29,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:29,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:29,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:29,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:29,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:54:29,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:29,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:29,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:29,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:29,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:29,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:29,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:29,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:29,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:29,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:29,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:29,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:29,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:29,093 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:29,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:29,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:29,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:29,094 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:29,094 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:29,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:29,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:29,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:29,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:29,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:29,095 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:29,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:29,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:29,096 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_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b1ee04deb280634167d210db37a5daa14bfd0b116d2ed78a09ddfe3e3cc1d14 [2022-11-20 16:54:29,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:29,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:29,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:29,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:29,427 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:29,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_good.i [2022-11-20 16:54:32,610 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:33,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:33,010 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_good.i [2022-11-20 16:54:33,038 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/data/def8131fb/712e50855cb54a719809ed14914435bf/FLAG37aa19ae7 [2022-11-20 16:54:33,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/data/def8131fb/712e50855cb54a719809ed14914435bf [2022-11-20 16:54:33,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:33,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:33,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:33,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:33,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:33,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:33" (1/1) ... [2022-11-20 16:54:33,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec9867e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:33, skipping insertion in model container [2022-11-20 16:54:33,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:33" (1/1) ... [2022-11-20 16:54:33,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:33,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:33,539 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:34,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:34,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:34,156 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:34,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:34,425 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:34,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34 WrapperNode [2022-11-20 16:54:34,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:34,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:34,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:34,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:34,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,525 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-11-20 16:54:34,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:34,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:34,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:34,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:34,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:34,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:34,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:34,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:34,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:34" (1/1) ... [2022-11-20 16:54:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:34,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:34,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:54:34,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:54:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:54:34,665 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:54:34,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:54:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:54:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:34,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:34,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:34,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:34,667 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:54:34,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:34,819 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:34,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:35,083 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:35,142 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:35,142 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:54:35,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:35 BoogieIcfgContainer [2022-11-20 16:54:35,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:35,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:35,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:35,158 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:35,158 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:35" (1/1) ... [2022-11-20 16:54:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 16:54:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 16:54:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:54:35,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-20 16:54:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:54:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:54:35,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-20 16:54:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 16:54:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:54:35,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-20 16:54:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 16:54:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:54:36,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:36,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-20 16:54:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 16:54:36,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:54:36,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-20 16:54:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:54:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:54:37,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-20 16:54:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-20 16:54:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:54:37,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-20 16:54:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-20 16:54:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:54:37,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-20 16:54:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 16:54:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:54:37,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-20 16:54:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-20 16:54:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:54:37,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-20 16:54:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 16:54:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:54:38,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:38,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-20 16:54:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 16:54:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:54:38,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-20 16:54:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 16:54:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:54:38,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:38,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-20 16:54:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 16:54:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:54:39,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:39,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-20 16:54:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 16:54:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:54:39,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:39,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-20 16:54:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 16:54:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:54:39,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:39,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-20 16:54:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 16:54:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:54:39,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:39,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-20 16:54:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 16:54:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:54:39,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 16:54:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-20 16:54:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-20 16:54:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:54:40,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-20 16:54:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 16:54:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:54:40,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:40,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-20 16:54:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 16:54:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:54:41,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:41,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 63 states and 86 transitions. [2022-11-20 16:54:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-20 16:54:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:54:41,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:41,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 89 transitions. [2022-11-20 16:54:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-11-20 16:54:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:54:42,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 16:54:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 86 transitions. [2022-11-20 16:54:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-20 16:54:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:54:42,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 93 transitions. [2022-11-20 16:54:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-20 16:54:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:54:42,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:42,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 85 transitions. [2022-11-20 16:54:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 16:54:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:54:43,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:43,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 16:54:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 44 states and 56 transitions. [2022-11-20 16:54:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 16:54:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:54:43,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:43,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:54:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 43 states and 55 transitions. [2022-11-20 16:54:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 16:54:43,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:54:43,373 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-20 16:54:43,384 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:54:43,700 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:54:43,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:43 ImpRootNode [2022-11-20 16:54:43,706 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:43,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:43,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:43,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:43,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:35" (3/4) ... [2022-11-20 16:54:43,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:54:43,730 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:54:43,731 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:54:43,737 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:54:43,739 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:54:43,744 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:54:43,744 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:54:43,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:54:43,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:43,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:43,829 INFO L158 Benchmark]: Toolchain (without parser) took 10766.09ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 98.8MB in the beginning and 120.1MB in the end (delta: -21.2MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,829 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:43,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1361.77ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 98.8MB in the beginning and 143.6MB in the end (delta: -44.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.58ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 140.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,830 INFO L158 Benchmark]: Boogie Preprocessor took 68.97ms. Allocated memory is still 197.1MB. Free memory was 140.3MB in the beginning and 138.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,830 INFO L158 Benchmark]: RCFGBuilder took 550.04ms. Allocated memory is still 197.1MB. Free memory was 138.3MB in the beginning and 119.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,830 INFO L158 Benchmark]: CodeCheck took 8561.56ms. Allocated memory is still 197.1MB. Free memory was 119.4MB in the beginning and 124.2MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:43,831 INFO L158 Benchmark]: Witness Printer took 119.66ms. Allocated memory is still 197.1MB. Free memory was 124.2MB in the beginning and 120.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:43,832 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: 8.2s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4826 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1634 mSDsluCounter, 3669 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1377 mSDsCounter, 1225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4804 IncrementalHoareTripleChecker+Invalid, 6029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1225 mSolverCounterUnsat, 2292 mSDtfsCounter, 4804 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6434 GetRequests, 6264 SyntacticMatches, 14 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11132 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1361.77ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 98.8MB in the beginning and 143.6MB in the end (delta: -44.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.58ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 140.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.97ms. Allocated memory is still 197.1MB. Free memory was 140.3MB in the beginning and 138.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.04ms. Allocated memory is still 197.1MB. Free memory was 138.3MB in the beginning and 119.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8561.56ms. Allocated memory is still 197.1MB. Free memory was 119.4MB in the beginning and 124.2MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.66ms. Allocated memory is still 197.1MB. Free memory was 124.2MB in the beginning and 120.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:54:43,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dda7cb6-ff09-4e3d-a7fd-c45a3ac9aaa7/bin/ukojak-pZX7IvK2PQ/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