./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_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_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/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_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/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_8d3f6976-cef6-4720-9222-f20621b69c10/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 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 --- 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 23:23:55,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:23:55,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:23:55,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:23:55,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:23:55,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:23:55,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:23:55,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:23:55,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:23:55,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:23:55,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:23:55,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:23:55,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:23:55,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:23:55,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:23:55,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:23:55,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:23:55,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:23:55,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:23:55,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:23:55,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:23:55,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:23:55,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:23:55,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:23:55,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:23:55,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:23:55,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:23:55,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:23:55,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:23:55,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:23:55,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:23:55,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:23:55,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:23:55,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:23:55,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:23:55,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:23:55,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:23:55,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:23:55,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:23:55,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:23:55,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:23:55,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:23:55,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:23:55,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:23:55,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:23:55,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:23:55,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:23:55,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:23:55,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:23:55,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:23:55,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:23:55,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:23:55,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:23:55,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:23:55,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:23:55,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:23:55,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:23:55,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:55,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:23:55,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:23:55,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:23:55,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:23:55,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:23:55,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:23:55,661 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_8d3f6976-cef6-4720-9222-f20621b69c10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 [2022-11-21 23:23:55,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:23:56,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:23:56,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:23:56,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:23:56,020 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:23:56,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2022-11-21 23:23:59,060 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:23:59,504 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:23:59,505 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2022-11-21 23:23:59,533 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/data/d762a422c/5610e1d5d69c49aea5f67ccc70c924fc/FLAG7e12316ba [2022-11-21 23:23:59,553 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/data/d762a422c/5610e1d5d69c49aea5f67ccc70c924fc [2022-11-21 23:23:59,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:23:59,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:23:59,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:59,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:23:59,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:23:59,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:59" (1/1) ... [2022-11-21 23:23:59,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0bd61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:59, skipping insertion in model container [2022-11-21 23:23:59,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:59" (1/1) ... [2022-11-21 23:23:59,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:23:59,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:24:00,071 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:24:00,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:00,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:24:00,729 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:24:00,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:24:00,936 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:24:00,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00 WrapperNode [2022-11-21 23:24:00,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:24:00,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:00,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:24:00,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:24:00,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:00,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,027 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 77 [2022-11-21 23:24:01,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:24:01,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:24:01,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:24:01,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:24:01,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:24:01,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:24:01,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:24:01,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:24:01,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:24:00" (1/1) ... [2022-11-21 23:24:01,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:24:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:24:01,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:24:01,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:24:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:24:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:24:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:24:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:24:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:24:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:24:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:24:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:24:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:24:01,379 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:24:01,381 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:24:01,605 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:24:01,640 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:24:01,641 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:24:01,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:01 BoogieIcfgContainer [2022-11-21 23:24:01,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:24:01,646 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:24:01,646 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:24:01,656 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:24:01,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:01" (1/1) ... [2022-11-21 23:24:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:24:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-11-21 23:24:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-11-21 23:24:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:24:01,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,125 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 23:24:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 44 transitions. [2022-11-21 23:24:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-21 23:24:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:24:02,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,268 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 23:24:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2022-11-21 23:24:02,365 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-21 23:24:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:24:02,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,497 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 23:24:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 33 transitions. [2022-11-21 23:24:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-21 23:24:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:24:02,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,607 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 23:24:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 32 transitions. [2022-11-21 23:24:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-21 23:24:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:24:02,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,841 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 23:24:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2022-11-21 23:24:02,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-21 23:24:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:24:02,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:02,977 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 23:24:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 29 transitions. [2022-11-21 23:24:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-21 23:24:02,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:24:02,998 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-21 23:24:03,006 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:24:03,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:24:03,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:24:03 ImpRootNode [2022-11-21 23:24:03,043 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:24:03,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:24:03,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:24:03,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:24:03,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:24:01" (3/4) ... [2022-11-21 23:24:03,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:24:03,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:24:03,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:24:03,057 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:24:03,057 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:24:03,057 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:24:03,058 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:24:03,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:24:03,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:24:03,128 INFO L158 Benchmark]: Toolchain (without parser) took 3562.52ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 111.0MB in the end (delta: 20.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,130 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:24:03,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.98ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 67.2MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.90ms. Allocated memory is still 169.9MB. Free memory was 67.2MB in the beginning and 136.3MB in the end (delta: -69.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,131 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 135.4MB in the end (delta: 869.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:24:03,131 INFO L158 Benchmark]: RCFGBuilder took 586.37ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 118.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,132 INFO L158 Benchmark]: CodeCheck took 1397.37ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 114.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,132 INFO L158 Benchmark]: Witness Printer took 77.47ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 111.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:24:03,134 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, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 348 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 192 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 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, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: 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: 1637]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.98ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 67.2MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.90ms. Allocated memory is still 169.9MB. Free memory was 67.2MB in the beginning and 136.3MB in the end (delta: -69.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.34ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 135.4MB in the end (delta: 869.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.37ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 118.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1397.37ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 114.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 77.47ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 111.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:24:03,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d3f6976-cef6-4720-9222-f20621b69c10/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