./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/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_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/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_84b0de94-42a7-4828-a15c-b70b265d7f53/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 c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:43:02,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:43:02,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:43:02,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:43:02,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:43:02,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:43:02,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:43:02,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:43:02,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:43:02,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:43:02,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:43:02,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:43:02,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:43:02,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:43:02,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:43:02,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:43:02,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:43:02,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:43:03,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:43:03,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:43:03,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:43:03,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:43:03,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:43:03,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:43:03,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:43:03,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:43:03,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:43:03,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:43:03,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:43:03,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:43:03,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:43:03,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:43:03,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:43:03,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:43:03,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:43:03,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:43:03,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:43:03,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:43:03,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:43:03,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:43:03,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:43:03,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:43:03,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:43:03,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:43:03,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:43:03,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:43:03,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:43:03,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:43:03,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:43:03,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:43:03,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:43:03,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:43:03,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:43:03,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:43:03,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:43:03,080 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:43:03,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:43:03,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:43:03,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:43:03,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:43:03,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:43:03,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:43:03,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:03,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:43:03,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:43:03,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:43:03,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:43:03,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:43:03,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:43:03,083 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_84b0de94-42a7-4828-a15c-b70b265d7f53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0a0030ffa27dca5bb14131b70d3aa8b11940565f5178ee0497f1eeb9a0fdf14 [2022-11-20 16:43:03,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:43:03,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:43:03,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:43:03,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:43:03,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:43:03,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-11-20 16:43:06,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:43:06,954 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:43:06,955 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_good.i [2022-11-20 16:43:06,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/data/1bb3a4caf/55f16a6b68314ba0b98b624a987809c1/FLAGf2bb55acb [2022-11-20 16:43:06,996 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/data/1bb3a4caf/55f16a6b68314ba0b98b624a987809c1 [2022-11-20 16:43:06,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:43:07,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:43:07,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:07,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:43:07,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:43:07,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:06" (1/1) ... [2022-11-20 16:43:07,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a1735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:07, skipping insertion in model container [2022-11-20 16:43:07,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:06" (1/1) ... [2022-11-20 16:43:07,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:43:07,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:43:07,539 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:43:08,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:08,225 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:43:08,246 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:43:08,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:08,420 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:43:08,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08 WrapperNode [2022-11-20 16:43:08,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:08,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:08,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:43:08,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:43:08,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,480 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-11-20 16:43:08,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:08,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:43:08,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:43:08,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:43:08,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:43:08,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:43:08,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:43:08,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:43:08,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:08" (1/1) ... [2022-11-20 16:43:08,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:08,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:43:08,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:43:08,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:43:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:43:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:43:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:43:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 16:43:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 16:43:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:43:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:43:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:43:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:43:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:43:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:43:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:43:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:43:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:43:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:43:08,767 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:43:08,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:43:09,118 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:43:09,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:43:09,179 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:43:09,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:09 BoogieIcfgContainer [2022-11-20 16:43:09,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:43:09,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:43:09,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:43:09,200 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:43:09,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:09" (1/1) ... [2022-11-20 16:43:09,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:43:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-11-20 16:43:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-20 16:43:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:43:09,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2022-11-20 16:43:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-20 16:43:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:43:09,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:09,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2022-11-20 16:43:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 16:43:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:43:10,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2022-11-20 16:43:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 16:43:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:43:10,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2022-11-20 16:43:10,494 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 16:43:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:43:10,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:10,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 83 transitions. [2022-11-20 16:43:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 16:43:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:43:10,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:43:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 81 transitions. [2022-11-20 16:43:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2022-11-20 16:43:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:43:10,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:43:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 68 transitions. [2022-11-20 16:43:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 16:43:10,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:43:10,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:10,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:43:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 67 transitions. [2022-11-20 16:43:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 16:43:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:43:11,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:43:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 66 transitions. [2022-11-20 16:43:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 16:43:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:43:11,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:11,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:43:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 65 transitions. [2022-11-20 16:43:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-11-20 16:43:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:43:11,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 16:43:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 47 states and 64 transitions. [2022-11-20 16:43:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-11-20 16:43:11,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:43:11,929 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-11-20 16:43:11,940 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:43:12,032 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:43:12,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:43:12 ImpRootNode [2022-11-20 16:43:12,042 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:43:12,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:43:12,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:43:12,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:43:12,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:09" (3/4) ... [2022-11-20 16:43:12,054 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:43:12,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:43:12,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 16:43:12,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:43:12,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:43:12,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:43:12,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:43:12,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:43:12,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:43:12,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:43:12,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:43:12,150 INFO L158 Benchmark]: Toolchain (without parser) took 5148.86ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 68.6MB in the beginning and 67.0MB in the end (delta: 1.6MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,150 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 70.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:43:12,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1417.95ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 84.3MB in the end (delta: -15.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.69ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,151 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,151 INFO L158 Benchmark]: RCFGBuilder took 676.09ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 60.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,152 INFO L158 Benchmark]: CodeCheck took 2854.52ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 60.7MB in the beginning and 71.2MB in the end (delta: -10.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,152 INFO L158 Benchmark]: Witness Printer took 105.80ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 67.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:43:12,154 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 4 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 942 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 818 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 238 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 551 IncrementalHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 580 mSDtfsCounter, 551 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2022 GetRequests, 1974 SyntacticMatches, 12 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 74/74 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: 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 - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 70.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1417.95ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 84.3MB in the end (delta: -15.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.69ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.09ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 60.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2854.52ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 60.7MB in the beginning and 71.2MB in the end (delta: -10.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Witness Printer took 105.80ms. Allocated memory is still 159.4MB. Free memory was 71.2MB in the beginning and 67.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:43:12,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84b0de94-42a7-4828-a15c-b70b265d7f53/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE