./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:21:18,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:18,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:18,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:18,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:18,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:18,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:18,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:18,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:18,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:18,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:18,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:18,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:18,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:18,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:18,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:18,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:18,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:18,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:18,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:18,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:18,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:18,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:18,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:18,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:18,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:18,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:18,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:18,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:18,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:18,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:18,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:18,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:18,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:18,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:18,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:18,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:18,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:18,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:18,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:18,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:18,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:18,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:18,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:18,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:18,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:18,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:18,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:18,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:18,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:18,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:18,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:18,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:18,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:18,771 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:18,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:18,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:18,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:18,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:18,773 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:18,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:18,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:18,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:18,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:18,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:18,775 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:18,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:18,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:18,776 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_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e [2022-11-20 18:21:19,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:19,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:19,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:19,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:19,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:19,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2022-11-20 18:21:22,180 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:22,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:22,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2022-11-20 18:21:22,598 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/data/b4bf88685/76ae09678d5745c6891a243c52624bdd/FLAG99745fbb0 [2022-11-20 18:21:22,614 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/data/b4bf88685/76ae09678d5745c6891a243c52624bdd [2022-11-20 18:21:22,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:22,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:22,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:22,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:22,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:22,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:22" (1/1) ... [2022-11-20 18:21:22,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35791816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:22, skipping insertion in model container [2022-11-20 18:21:22,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:22" (1/1) ... [2022-11-20 18:21:22,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:22,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:23,129 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:23,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:23,718 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:23,745 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:23,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:24,066 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:24,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24 WrapperNode [2022-11-20 18:21:24,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:24,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:24,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:24,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:24,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,135 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 107 [2022-11-20 18:21:24,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:24,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:24,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:24,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:24,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:24,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:24,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:24,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:24,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:24,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:24,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:21:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:21:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:21:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:21:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:21:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:21:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:21:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:24,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:21:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:21:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:24,500 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:24,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:24,775 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:24,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:24,810 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:21:24,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:24 BoogieIcfgContainer [2022-11-20 18:21:24,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:24,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:24,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:24,824 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:24,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:24" (1/1) ... [2022-11-20 18:21:24,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-11-20 18:21:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-11-20 18:21:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:21:24,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:24,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-11-20 18:21:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-11-20 18:21:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:21:25,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-11-20 18:21:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-11-20 18:21:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:21:25,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-11-20 18:21:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-11-20 18:21:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:21:25,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-11-20 18:21:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-11-20 18:21:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:21:25,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2022-11-20 18:21:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-11-20 18:21:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:21:25,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-11-20 18:21:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-11-20 18:21:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:21:26,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-11-20 18:21:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 18:21:26,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:26,180 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-20 18:21:26,191 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 18:21:26,243 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:26,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:26 ImpRootNode [2022-11-20 18:21:26,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:26,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:26,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:26,252 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:26,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:24" (3/4) ... [2022-11-20 18:21:26,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:26,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:21:26,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:21:26,277 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 18:21:26,277 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 18:21:26,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:21:26,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:26,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:26,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:26,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:26,362 INFO L158 Benchmark]: Toolchain (without parser) took 3743.86ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 68.7MB in the end (delta: 22.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,364 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:26,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.31ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 82.6MB in the end (delta: 7.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 79.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,366 INFO L158 Benchmark]: Boogie Preprocessor took 54.99ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,366 INFO L158 Benchmark]: RCFGBuilder took 622.01ms. Allocated memory is still 136.3MB. Free memory was 77.8MB in the beginning and 59.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,367 INFO L158 Benchmark]: CodeCheck took 1435.74ms. Allocated memory is still 136.3MB. Free memory was 59.6MB in the beginning and 71.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:26,369 INFO L158 Benchmark]: Witness Printer took 109.92ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 68.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:26,370 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, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 463 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 254 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1657]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.31ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 82.6MB in the end (delta: 7.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 79.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.99ms. Allocated memory is still 136.3MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.01ms. Allocated memory is still 136.3MB. Free memory was 77.8MB in the beginning and 59.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1435.74ms. Allocated memory is still 136.3MB. Free memory was 59.6MB in the beginning and 71.8MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.92ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 68.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:21:26,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_009cc54e-5530-49f4-8739-60c73eb3f094/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE