./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_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_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/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_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/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_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/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 0fa31c35164d7aa3955e57e970a2b7c8c5175505f671a31c88c5425401ac6fe6 --- 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 23:46:57,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:46:57,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:46:57,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:46:57,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:46:57,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:46:57,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:46:57,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:46:57,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:46:57,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:46:57,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:46:57,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:46:57,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:46:57,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:46:57,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:46:57,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:46:57,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:46:57,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:46:57,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:46:57,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:46:57,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:46:57,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:46:57,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:46:57,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:46:57,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:46:57,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:46:57,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:46:57,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:46:57,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:46:57,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:46:57,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:46:57,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:46:57,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:46:57,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:46:57,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:46:57,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:46:57,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:46:57,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:46:57,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:46:57,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:46:57,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:46:57,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:46:57,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:46:57,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:46:57,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:46:57,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:46:57,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:46:57,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:46:57,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:46:57,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:46:57,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:46:57,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:46:57,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:46:57,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:46:57,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:46:57,683 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:46:57,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:46:57,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:46:57,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:46:57,684 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:46:57,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:46:57,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:46:57,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:57,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:46:57,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:46:57,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:46:57,685 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:46:57,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:46:57,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:46:57,686 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_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa31c35164d7aa3955e57e970a2b7c8c5175505f671a31c88c5425401ac6fe6 [2022-11-21 23:46:57,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:46:58,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:46:58,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:46:58,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:46:58,036 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:46:58,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_good.i [2022-11-21 23:47:01,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:47:01,560 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:47:01,561 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_21_good.i [2022-11-21 23:47:01,592 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/data/31e1a627c/40935664911f4ea1903eb0debd5b1053/FLAG8c08f6cb7 [2022-11-21 23:47:01,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/data/31e1a627c/40935664911f4ea1903eb0debd5b1053 [2022-11-21 23:47:01,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:47:01,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:47:01,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:47:01,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:47:01,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:47:01,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:47:01" (1/1) ... [2022-11-21 23:47:01,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b90e0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:01, skipping insertion in model container [2022-11-21 23:47:01,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:47:01" (1/1) ... [2022-11-21 23:47:01,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:47:01,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:47:02,154 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:47:02,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:47:02,682 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:47:02,714 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:47:02,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:47:02,965 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:47:02,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02 WrapperNode [2022-11-21 23:47:02,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:47:02,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:47:02,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:47:02,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:47:02,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:02,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,019 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 74 [2022-11-21 23:47:03,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:47:03,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:47:03,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:47:03,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:47:03,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:47:03,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:47:03,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:47:03,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:47:03,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:47:02" (1/1) ... [2022-11-21 23:47:03,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:47:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:47:03,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:47:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:47:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:47:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:47:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:47:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:47:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:47:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:47:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:47:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:47:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:47:03,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:47:03,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:47:03,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:47:03,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:47:03,609 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:47:03,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:47:03 BoogieIcfgContainer [2022-11-21 23:47:03,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:47:03,613 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:47:03,613 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:47:03,623 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:47:03,623 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:47:03" (1/1) ... [2022-11-21 23:47:03,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:47:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 23:47:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 23:47:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:47:03,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:03,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,060 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 23:47:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-11-21 23:47:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-21 23:47:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:47:04,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:47:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-11-21 23:47:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-21 23:47:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:47:04,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:47:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 35 transitions. [2022-11-21 23:47:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-21 23:47:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:47:04,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:47:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 34 transitions. [2022-11-21 23:47:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-21 23:47:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:47:04,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:47:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-11-21 23:47:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 23:47:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:47:04,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:47:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-11-21 23:47:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 23:47:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:47:04,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:47:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:47:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:47:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:47:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:47:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-11-21 23:47:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 23:47:04,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:47:04,901 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 23:47:04,909 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:47:04,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:47:04,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:47:04 ImpRootNode [2022-11-21 23:47:04,941 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:47:04,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:47:04,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:47:04,942 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:47:04,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:47:03" (3/4) ... [2022-11-21 23:47:04,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:47:04,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:47:04,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:47:04,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-21 23:47:04,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:47:04,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:47:04,957 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:47:05,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:47:05,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:47:05,004 INFO L158 Benchmark]: Toolchain (without parser) took 3379.87ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 122.8MB in the beginning and 110.7MB in the end (delta: 12.1MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,004 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:47:05,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.60ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 111.8MB in the end (delta: 10.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.55ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 108.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,005 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,006 INFO L158 Benchmark]: RCFGBuilder took 565.07ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 110.9MB in the end (delta: -3.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,006 INFO L158 Benchmark]: CodeCheck took 1328.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 110.2MB in the beginning and 113.8MB in the end (delta: -3.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,007 INFO L158 Benchmark]: Witness Printer took 61.31ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 110.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:47:05,009 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 195 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 672 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 20/20 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.60ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 111.8MB in the end (delta: 10.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.55ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 108.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.07ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 110.9MB in the end (delta: -3.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * CodeCheck took 1328.10ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 110.2MB in the beginning and 113.8MB in the end (delta: -3.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 61.31ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 110.7MB 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 23:47:05,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ef4d06-0ff8-40cf-98c2-ee6e183fb507/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