./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/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_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/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_79983d40-95ba-42ba-8809-e15e4de8dc15/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 bdea58f89919f46132949dac5f584aa51cc13db1e55161eca26a72df42e7318c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:53:47,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:53:47,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:53:47,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:53:47,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:53:47,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:53:47,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:53:47,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:53:47,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:53:47,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:53:47,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:53:47,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:53:47,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:53:47,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:53:47,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:53:47,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:53:47,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:53:47,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:53:47,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:53:47,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:53:47,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:53:47,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:53:47,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:53:47,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:53:47,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:53:47,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:53:47,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:53:47,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:53:47,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:53:47,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:53:47,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:53:47,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:53:47,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:53:47,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:53:47,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:53:47,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:53:47,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:53:47,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:53:47,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:53:47,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:53:47,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:53:47,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:53:47,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:53:47,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:53:47,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:53:47,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:53:47,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:53:47,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:53:47,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:53:47,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:53:47,077 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:53:47,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:53:47,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:53:47,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:53:47,077 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:53:47,077 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:53:47,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:53:47,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:53:47,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:53:47,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:53:47,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:53:47,078 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:53:47,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:53:47,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:53:47,079 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_79983d40-95ba-42ba-8809-e15e4de8dc15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdea58f89919f46132949dac5f584aa51cc13db1e55161eca26a72df42e7318c [2022-12-14 21:53:47,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:53:47,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:53:47,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:53:47,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:53:47,270 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:53:47,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_16_good.i [2022-12-14 21:53:49,769 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:53:50,031 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:53:50,032 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_16_good.i [2022-12-14 21:53:50,049 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/data/9dca4bc21/3ad635d285e343dfb371a0f6e0db073c/FLAGfd716f567 [2022-12-14 21:53:50,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/data/9dca4bc21/3ad635d285e343dfb371a0f6e0db073c [2022-12-14 21:53:50,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:53:50,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:53:50,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:53:50,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:53:50,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:53:50,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:53:50" (1/1) ... [2022-12-14 21:53:50,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4409dfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:50, skipping insertion in model container [2022-12-14 21:53:50,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:53:50" (1/1) ... [2022-12-14 21:53:50,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:53:50,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:53:50,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:53:50,928 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:53:50,932 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:53:50,934 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:53:50,935 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:53:50,936 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:53:50,957 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:53:50,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:53:50,965 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:53:50,979 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:53:51,012 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:53:51,013 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:53:51,014 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:53:51,015 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:53:51,016 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:53:51,020 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:53:51,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:53:51,124 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:53:51,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51 WrapperNode [2022-12-14 21:53:51,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:53:51,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:53:51,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:53:51,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:53:51,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,168 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2022-12-14 21:53:51,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:53:51,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:53:51,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:53:51,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:53:51,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:53:51,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:53:51,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:53:51,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:53:51,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:53:51,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:53:51,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:53:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 21:53:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 21:53:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:53:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 21:53:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:53:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:53:51,346 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:53:51,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:53:51,457 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:53:51,500 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:53:51,500 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 21:53:51,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:53:51 BoogieIcfgContainer [2022-12-14 21:53:51,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:53:51,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:53:51,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:53:51,511 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:53:51,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:53:51" (1/1) ... [2022-12-14 21:53:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:53:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 21:53:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 21:53:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:53:51,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:53:51,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:53:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:53:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:53:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-12-14 21:53:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-14 21:53:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:53:51,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:53:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:53:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:53:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:53:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-12-14 21:53:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-12-14 21:53:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:53:52,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:53:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:53:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:53:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:53:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 21:53:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 21:53:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:53:52,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:53:52,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:53:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:53:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:53:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:53:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-12-14 21:53:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 21:53:52,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:53:52,214 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-14 21:53:52,222 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 21:53:52,243 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 21:53:52,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:53:52,252 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-12-14 21:53:52,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:53:52 ImpRootNode [2022-12-14 21:53:52,254 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:53:52,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:53:52,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:53:52,255 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:53:52,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:53:51" (3/4) ... [2022-12-14 21:53:52,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:53:52,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 21:53:52,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 21:53:52,267 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 21:53:52,268 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 21:53:52,268 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 21:53:52,268 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:53:52,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:53:52,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:53:52,306 INFO L158 Benchmark]: Toolchain (without parser) took 1961.78ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.7MB in the beginning and 56.9MB in the end (delta: 24.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,307 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:53:52,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.43ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.3MB in the beginning and 92.7MB in the end (delta: -11.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.03ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,308 INFO L158 Benchmark]: Boogie Preprocessor took 19.99ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,308 INFO L158 Benchmark]: RCFGBuilder took 314.03ms. Allocated memory is still 151.0MB. Free memory was 87.7MB in the beginning and 71.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,308 INFO L158 Benchmark]: CodeCheck took 750.37ms. Allocated memory is still 151.0MB. Free memory was 71.8MB in the beginning and 60.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,309 INFO L158 Benchmark]: Witness Printer took 51.61ms. Allocated memory is still 151.0MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:53:52,311 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 30 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1581]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 0 <= unknown-#memory_int-unknown[data][data] + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.43ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.3MB in the beginning and 92.7MB in the end (delta: -11.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.03ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.99ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.03ms. Allocated memory is still 151.0MB. Free memory was 87.7MB in the beginning and 71.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 750.37ms. Allocated memory is still 151.0MB. Free memory was 71.8MB in the beginning and 60.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 51.61ms. Allocated memory is still 151.0MB. Free memory was 60.0MB in the beginning and 56.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:53:52,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79983d40-95ba-42ba-8809-e15e4de8dc15/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