./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/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_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/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_347b2db2-caf4-4cc7-8757-eb982763195c/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 f8032591463155c4cbc93cb903949fbe214174ec3b40ff542243d2ef85bda972 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:50:53,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:50:53,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:50:53,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:50:53,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:50:53,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:50:53,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:50:53,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:50:53,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:50:53,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:50:53,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:50:53,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:50:53,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:50:53,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:50:53,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:50:53,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:50:53,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:50:53,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:50:53,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:50:53,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:50:53,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:50:53,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:50:53,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:50:53,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:50:53,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:50:53,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:50:53,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:50:53,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:50:53,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:50:53,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:50:53,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:50:53,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:50:53,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:50:53,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:50:53,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:50:53,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:50:54,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:50:54,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:50:54,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:50:54,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:50:54,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:50:54,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:50:54,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:50:54,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:50:54,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:50:54,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:50:54,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:50:54,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:50:54,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:50:54,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:50:54,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:50:54,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:50:54,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:50:54,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:50:54,020 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:50:54,021 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:50:54,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:50:54,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:50:54,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:50:54,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:50:54,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:50:54,022 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:50:54,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:50:54,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:50:54,022 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_347b2db2-caf4-4cc7-8757-eb982763195c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8032591463155c4cbc93cb903949fbe214174ec3b40ff542243d2ef85bda972 [2022-12-15 01:50:54,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:50:54,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:50:54,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:50:54,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:50:54,212 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:50:54,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i [2022-12-15 01:50:56,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:50:57,005 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:50:57,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_10_good.i [2022-12-15 01:50:57,020 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/data/bbc4de80a/ec523bc96bb846ef969e119fe35f6708/FLAG2da523bc0 [2022-12-15 01:50:57,033 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/data/bbc4de80a/ec523bc96bb846ef969e119fe35f6708 [2022-12-15 01:50:57,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:50:57,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:50:57,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:50:57,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:50:57,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:50:57,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dde2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57, skipping insertion in model container [2022-12-15 01:50:57,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:50:57,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:50:57,315 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:50:57,609 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:50:57,613 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:50:57,615 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:50:57,617 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:50:57,617 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:50:57,635 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:50:57,641 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:50:57,648 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:50:57,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:50:57,656 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:50:57,670 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:50:57,712 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:50:57,713 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:50:57,714 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:50:57,715 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:50:57,716 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:50:57,718 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:50:57,720 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:50:57,723 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:50:57,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:50:57,789 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:50:57,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57 WrapperNode [2022-12-15 01:50:57,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:50:57,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:50:57,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:50:57,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:50:57,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,829 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-15 01:50:57,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:50:57,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:50:57,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:50:57,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:50:57,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,846 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:50:57,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:50:57,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:50:57,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:50:57,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:50:57" (1/1) ... [2022-12-15 01:50:57,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:50:57,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:50:57,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:50:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:50:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:50:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:50:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:50:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:50:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:50:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:50:58,040 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:50:58,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:50:58,217 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:50:58,245 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:50:58,245 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:50:58,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:50:58 BoogieIcfgContainer [2022-12-15 01:50:58,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:50:58,249 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:50:58,249 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:50:58,268 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:50:58,269 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:50:58" (1/1) ... [2022-12-15 01:50:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:50:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 01:50:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 01:50:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:50:58,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:58,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-15 01:50:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:50:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:50:58,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:58,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-15 01:50:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 01:50:58,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:50:58,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-15 01:50:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 01:50:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:50:58,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:58,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:50:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-15 01:50:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 01:50:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:50:58,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:58,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:50:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-15 01:50:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:50:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:50:59,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:50:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-15 01:50:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-15 01:50:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:50:59,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:50:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-15 01:50:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-15 01:50:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:50:59,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-15 01:50:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 01:50:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:50:59,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:50:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-15 01:50:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 01:50:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:50:59,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:50:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-15 01:50:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-15 01:50:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:50:59,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:50:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-15 01:50:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-15 01:50:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:50:59,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:59,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:51:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-15 01:51:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-15 01:51:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:51:00,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-15 01:51:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-15 01:51:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:51:00,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:51:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-15 01:51:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:51:00,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:51:00,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-15 01:51:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 01:51:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:51:00,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-15 01:51:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 01:51:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:51:00,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-15 01:51:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:51:00,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:51:00,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:00,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:51:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-15 01:51:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-15 01:51:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:51:01,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-15 01:51:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-15 01:51:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:51:01,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-15 01:51:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-15 01:51:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:51:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:51:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 65 states and 90 transitions. [2022-12-15 01:51:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-15 01:51:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:51:01,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 93 transitions. [2022-12-15 01:51:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-12-15 01:51:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:51:01,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 01:51:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 90 transitions. [2022-12-15 01:51:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-12-15 01:51:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:51:01,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 69 states and 95 transitions. [2022-12-15 01:51:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-15 01:51:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:51:02,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:02,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:51:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-12-15 01:51:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 01:51:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:51:02,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:02,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:51:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 43 states and 55 transitions. [2022-12-15 01:51:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 01:51:02,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:51:02,578 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-15 01:51:02,586 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:51:02,794 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:51:02,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:51:02 ImpRootNode [2022-12-15 01:51:02,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:51:02,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:51:02,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:51:02,799 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:51:02,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:50:58" (3/4) ... [2022-12-15 01:51:02,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:51:02,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:51:02,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:51:02,813 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:51:02,814 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:51:02,814 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:51:02,814 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:51:02,815 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:51:02,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:51:02,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:51:02,863 INFO L158 Benchmark]: Toolchain (without parser) took 5826.76ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 108.8MB in the end (delta: 12.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,864 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 93.6MB in the end (delta: 147.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:51:02,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.65ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 98.5MB in the end (delta: 22.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.50ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 95.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,865 INFO L158 Benchmark]: Boogie Preprocessor took 19.56ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,865 INFO L158 Benchmark]: RCFGBuilder took 398.31ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 74.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,865 INFO L158 Benchmark]: CodeCheck took 4549.85ms. Allocated memory is still 169.9MB. Free memory was 74.9MB in the beginning and 112.9MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:51:02,865 INFO L158 Benchmark]: Witness Printer took 63.75ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 108.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:51:02,867 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: 4.3s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4698 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1669 mSDsluCounter, 3609 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1384 mSDsCounter, 1056 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4490 IncrementalHoareTripleChecker+Invalid, 5546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1056 mSolverCounterUnsat, 2225 mSDtfsCounter, 4490 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6139 GetRequests, 5983 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9668 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 93.6MB in the end (delta: 147.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.65ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 98.5MB in the end (delta: 22.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.50ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 95.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.56ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.31ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 74.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4549.85ms. Allocated memory is still 169.9MB. Free memory was 74.9MB in the beginning and 112.9MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.75ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 108.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:51:02,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347b2db2-caf4-4cc7-8757-eb982763195c/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