./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/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_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/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 32bit --witnessprinter.graph.data.programhash 25985cd4ed51d19d46578b96e979718cad09c91a1c0d49e8838f48fc0abe6906 --- 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 16:45:40,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:40,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:40,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:40,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:40,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:40,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:40,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:40,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:40,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:40,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:40,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:40,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:40,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:40,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:40,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:40,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:40,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:40,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:40,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:40,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:40,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:40,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:40,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:40,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:40,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:40,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:40,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:40,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:40,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:40,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:40,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:40,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:40,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:40,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:40,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:40,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:40,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:40,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:40,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:40,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:40,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:45:40,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:40,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:40,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:40,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:40,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:40,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:40,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:40,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:45:40,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:45:40,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:40,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:45:40,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:40,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:40,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:40,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:40,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:45:40,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:45:40,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:40,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:40,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:40,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:40,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:40,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:40,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:40,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:40,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:40,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:40,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:40,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:40,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:40,781 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_287167af-52ed-4782-acc1-02c228fbfac4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25985cd4ed51d19d46578b96e979718cad09c91a1c0d49e8838f48fc0abe6906 [2022-11-20 16:45:41,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:41,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:41,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:41,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:41,131 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:41,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i [2022-11-20 16:45:44,439 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:44,642 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:44,644 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/sv-benchmarks/c/ldv-regression/oomInt.c_1.i [2022-11-20 16:45:44,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/data/9e9611bd9/9114aa9e7c3c4100ba30e383f764a052/FLAGfb2be9985 [2022-11-20 16:45:44,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/data/9e9611bd9/9114aa9e7c3c4100ba30e383f764a052 [2022-11-20 16:45:44,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:44,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:44,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:44,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:44,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:44,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d089ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44, skipping insertion in model container [2022-11-20 16:45:44,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:44,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:44,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/sv-benchmarks/c/ldv-regression/oomInt.c_1.i[293,306] [2022-11-20 16:45:44,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:44,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:44,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/sv-benchmarks/c/ldv-regression/oomInt.c_1.i[293,306] [2022-11-20 16:45:44,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:44,942 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:44,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44 WrapperNode [2022-11-20 16:45:44,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:44,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:44,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:44,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:44,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,981 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 29 [2022-11-20 16:45:44,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:44,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:44,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:44,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:44,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:44,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:45,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:45,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:45,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:45,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:44" (1/1) ... [2022-11-20 16:45:45,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:45,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:45,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:45,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:45,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:45:45,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:45:45,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:45,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:45,168 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:45,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:45,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:45,379 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:45,379 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:45:45,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:45 BoogieIcfgContainer [2022-11-20 16:45:45,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:45,383 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:45,383 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:45,397 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:45,397 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:45" (1/1) ... [2022-11-20 16:45:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-20 16:45:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-20 16:45:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:45:45,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:45,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:45,704 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 16:45:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-20 16:45:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-20 16:45:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:45:45,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:45,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:45,847 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 16:45:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-20 16:45:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-20 16:45:45,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:45:45,930 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-20 16:45:45,968 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 16:45:45,986 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:45:46,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:45:46 ImpRootNode [2022-11-20 16:45:46,006 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:45:46,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:45:46,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:45:46,007 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:45:46,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:45" (3/4) ... [2022-11-20 16:45:46,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:45:46,020 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 16:45:46,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:45:46,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:45:46,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:45:46,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:45:46,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:45:46,072 INFO L158 Benchmark]: Toolchain (without parser) took 1406.21ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 100.2MB in the beginning and 173.8MB in the end (delta: -73.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:46,073 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:46,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.82ms. Allocated memory is still 144.7MB. Free memory was 100.2MB in the beginning and 90.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:45:46,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.96ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:46,074 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 980.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:46,075 INFO L158 Benchmark]: RCFGBuilder took 370.90ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 77.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:45:46,075 INFO L158 Benchmark]: CodeCheck took 622.93ms. Allocated memory is still 144.7MB. Free memory was 77.5MB in the beginning and 114.9MB in the end (delta: -37.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-20 16:45:46,076 INFO L158 Benchmark]: Witness Printer took 64.86ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 114.9MB in the beginning and 173.8MB in the end (delta: -58.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:46,079 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 1 procedures, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.82ms. Allocated memory is still 144.7MB. Free memory was 100.2MB in the beginning and 90.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.96ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 980.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.90ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 77.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 622.93ms. Allocated memory is still 144.7MB. Free memory was 77.5MB in the beginning and 114.9MB in the end (delta: -37.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 64.86ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 114.9MB in the beginning and 173.8MB in the end (delta: -58.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:45:46,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287167af-52ed-4782-acc1-02c228fbfac4/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