./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_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_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/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_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/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_d1864ed0-592f-41fa-9345-36d7604e0262/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 1330b7e29cc188bcf75947651cc9125c1ecc86d2568f6b99d116dd5dea6cfc9a --- 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 16:59:22,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:59:22,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:59:22,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:59:22,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:59:22,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:59:22,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:59:22,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:59:22,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:59:22,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:59:22,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:59:22,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:59:22,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:59:22,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:59:22,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:59:22,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:59:22,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:59:22,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:59:22,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:59:22,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:59:22,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:59:22,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:59:22,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:59:22,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:59:22,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:59:22,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:59:22,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:59:22,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:59:22,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:59:22,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:59:22,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:59:22,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:59:22,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:59:22,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:59:22,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:59:22,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:59:22,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:59:22,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:59:22,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:59:22,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:59:22,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:59:22,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:59:22,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:59:22,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:59:22,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:59:22,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:59:22,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:59:22,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:59:22,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:59:22,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:59:22,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:59:22,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:59:22,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:59:22,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:59:22,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:59:22,675 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:59:22,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:59:22,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:59:22,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:59:22,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:59:22,676 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:59:22,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:59:22,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:22,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:59:22,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:59:22,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:59:22,677 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:59:22,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:59:22,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:59:22,678 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_d1864ed0-592f-41fa-9345-36d7604e0262/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1330b7e29cc188bcf75947651cc9125c1ecc86d2568f6b99d116dd5dea6cfc9a [2022-11-20 16:59:22,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:59:23,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:59:23,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:59:23,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:59:23,021 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:59:23,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_good.i [2022-11-20 16:59:26,064 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:59:26,493 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:59:26,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_good.i [2022-11-20 16:59:26,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/data/2a94f9160/2afdb5e4d6014dd5ad3c2c55bbd648db/FLAG17eaec120 [2022-11-20 16:59:26,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/data/2a94f9160/2afdb5e4d6014dd5ad3c2c55bbd648db [2022-11-20 16:59:26,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:59:26,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:59:26,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:26,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:59:26,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:59:26,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:26" (1/1) ... [2022-11-20 16:59:26,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111c68c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:26, skipping insertion in model container [2022-11-20 16:59:26,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:26" (1/1) ... [2022-11-20 16:59:26,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:59:26,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:59:26,999 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:27,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:27,517 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:59:27,550 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:27,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:27,836 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:59:27,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27 WrapperNode [2022-11-20 16:59:27,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:27,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:27,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:59:27,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:59:27,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,892 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-11-20 16:59:27,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:27,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:59:27,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:59:27,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:59:27,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:59:27,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:59:27,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:59:27,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:59:27,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:27" (1/1) ... [2022-11-20 16:59:27,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:27,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:59:28,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:59:28,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:59:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:59:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:59:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:59:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:59:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:59:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:59:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:59:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:59:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:59:28,197 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:59:28,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:59:28,408 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:59:28,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:59:28,486 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:59:28,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:28 BoogieIcfgContainer [2022-11-20 16:59:28,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:59:28,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:59:28,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:59:28,501 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:59:28,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:28" (1/1) ... [2022-11-20 16:59:28,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:59:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 16:59:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 16:59:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:59:28,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:28,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:59:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 16:59:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 16:59:28,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:59:28,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:29,021 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 16:59:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 21 transitions. [2022-11-20 16:59:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-11-20 16:59:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:59:29,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:29,186 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 16:59:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 20 transitions. [2022-11-20 16:59:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-20 16:59:29,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:59:29,269 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-20 16:59:29,279 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:59:29,316 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-11-20 16:59:29,327 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:59:29,327 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-11-20 16:59:29,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:59:29 ImpRootNode [2022-11-20 16:59:29,330 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:59:29,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:59:29,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:59:29,331 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:59:29,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:28" (3/4) ... [2022-11-20 16:59:29,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:59:29,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:59:29,351 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:59:29,355 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 16:59:29,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:59:29,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:59:29,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:59:29,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:59:29,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:59:29,406 INFO L158 Benchmark]: Toolchain (without parser) took 2863.12ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 67.0MB in the end (delta: 23.3MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,406 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 123.7MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:29,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.68ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 120.5MB in the end (delta: -30.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 169.9MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,408 INFO L158 Benchmark]: Boogie Preprocessor took 59.86ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,409 INFO L158 Benchmark]: RCFGBuilder took 535.11ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 101.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,409 INFO L158 Benchmark]: CodeCheck took 839.79ms. Allocated memory is still 169.9MB. Free memory was 101.6MB in the beginning and 70.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,410 INFO L158 Benchmark]: Witness Printer took 74.12ms. Allocated memory is still 169.9MB. Free memory was 70.1MB in the beginning and 67.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:29,413 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: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 36 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: 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: 1549]: Loop Invariant Derived loop invariant: data + 2147483648 <= 0 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1572]: Loop Invariant Derived loop invariant: data + 2 <= 0 && 0 <= data + 2 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 123.7MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.68ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 90.3MB in the beginning and 120.5MB in the end (delta: -30.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.38ms. Allocated memory is still 169.9MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.86ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 116.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.11ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 101.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 839.79ms. Allocated memory is still 169.9MB. Free memory was 101.6MB in the beginning and 70.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 74.12ms. Allocated memory is still 169.9MB. Free memory was 70.1MB in the beginning and 67.0MB 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 16:59:29,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1864ed0-592f-41fa-9345-36d7604e0262/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