./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg --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 b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad --- 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-b5237d8 [2022-11-21 22:52:17,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:52:17,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:52:17,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:52:17,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:52:17,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:52:17,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:52:17,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:52:17,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:52:17,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:52:17,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:52:17,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:52:17,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:52:17,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:52:17,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:52:17,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:52:17,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:52:17,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:52:17,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:52:17,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:52:17,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:52:17,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:52:17,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:52:17,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:52:17,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:52:17,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:52:17,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:52:17,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:52:17,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:52:17,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:52:17,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:52:17,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:52:17,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:52:17,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:52:17,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:52:17,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:52:17,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:52:17,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:52:17,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:52:17,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:52:17,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:52:17,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:52:17,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:52:17,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:52:17,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:52:17,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:52:17,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:52:17,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:52:17,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:52:17,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:52:17,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:52:17,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:52:17,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:52:17,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:52:17,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:52:17,842 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:52:17,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:52:17,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:52:17,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:52:17,843 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:52:17,844 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:52:17,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:52:17,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:17,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:52:17,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:52:17,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:52:17,845 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:52:17,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:52:17,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:52:17,846 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_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad [2022-11-21 22:52:18,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:52:18,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:52:18,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:52:18,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:52:18,199 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:52:18,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2022-11-21 22:52:21,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:52:21,699 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:52:21,700 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2022-11-21 22:52:21,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/data/92f53b344/cf4dd7228a674747b07e4132cdd59a5b/FLAG12b5873d6 [2022-11-21 22:52:21,748 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/data/92f53b344/cf4dd7228a674747b07e4132cdd59a5b [2022-11-21 22:52:21,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:52:21,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:52:21,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:21,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:52:21,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:52:21,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:21" (1/1) ... [2022-11-21 22:52:21,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70995a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:21, skipping insertion in model container [2022-11-21 22:52:21,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:21" (1/1) ... [2022-11-21 22:52:21,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:52:21,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:52:22,229 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:52:22,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:22,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:52:22,789 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:52:22,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:22,931 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:52:22,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22 WrapperNode [2022-11-21 22:52:22,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:22,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:22,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:52:22,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:52:22,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:22,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:22,988 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2022-11-21 22:52:22,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:22,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:52:22,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:52:22,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:52:23,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:52:23,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:52:23,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:52:23,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:52:23,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:22" (1/1) ... [2022-11-21 22:52:23,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:23,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:52:23,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:52:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:52:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:52:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:52:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:52:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:52:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:52:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:52:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:52:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:52:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:52:23,391 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:52:23,393 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:52:23,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:52:23,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:52:23,784 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:52:23,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:23 BoogieIcfgContainer [2022-11-21 22:52:23,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:52:23,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:52:23,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:52:23,802 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:52:23,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:23" (1/1) ... [2022-11-21 22:52:23,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:52:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 22:52:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 22:52:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:52:23,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:23,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 22:52:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 22:52:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:52:24,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 22:52:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 22:52:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:52:24,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-21 22:52:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:52:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:52:24,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:52:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-21 22:52:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-21 22:52:24,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:52:24,657 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 22:52:24,666 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:52:24,707 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:52:24,712 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:52:24,713 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:52:24,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:52:24 ImpRootNode [2022-11-21 22:52:24,714 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:52:24,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:52:24,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:52:24,716 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:52:24,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:52:23" (3/4) ... [2022-11-21 22:52:24,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:52:24,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:52:24,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:52:24,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 22:52:24,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:52:24,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:52:24,746 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:52:24,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:52:24,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:52:24,807 INFO L158 Benchmark]: Toolchain (without parser) took 3054.85ms. Allocated memory is still 203.4MB. Free memory was 159.5MB in the beginning and 102.6MB in the end (delta: 56.9MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,807 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 151.0MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:52:24,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.71ms. Allocated memory is still 203.4MB. Free memory was 159.5MB in the beginning and 100.7MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 203.4MB. Free memory was 100.7MB in the beginning and 97.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,808 INFO L158 Benchmark]: Boogie Preprocessor took 33.21ms. Allocated memory is still 203.4MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,809 INFO L158 Benchmark]: RCFGBuilder took 764.34ms. Allocated memory is still 203.4MB. Free memory was 95.8MB in the beginning and 152.9MB in the end (delta: -57.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,809 INFO L158 Benchmark]: CodeCheck took 926.72ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 105.7MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,809 INFO L158 Benchmark]: Witness Printer took 90.95ms. Allocated memory is still 203.4MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:24,811 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: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 34 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: 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: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 151.0MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.71ms. Allocated memory is still 203.4MB. Free memory was 159.5MB in the beginning and 100.7MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 203.4MB. Free memory was 100.7MB in the beginning and 97.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.21ms. Allocated memory is still 203.4MB. Free memory was 97.1MB in the beginning and 95.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.34ms. Allocated memory is still 203.4MB. Free memory was 95.8MB in the beginning and 152.9MB in the end (delta: -57.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 926.72ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 105.7MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 90.95ms. Allocated memory is still 203.4MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:52:24,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc8a034-b128-4c89-a7e4-e2dd94b0b202/bin/ukojak-jW3SillKbg/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