./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6d4f95d46f925eca21fc2f5b3cd1fe5bc6cd8855db4ea014794fdfc2ae36764 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:01:03,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:01:03,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:01:03,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:01:03,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:01:03,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:01:03,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:01:03,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:01:03,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:01:03,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:01:03,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:01:03,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:01:03,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:01:03,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:01:03,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:01:03,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:01:03,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:01:03,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:01:03,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:01:03,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:01:03,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:01:03,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:01:03,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:01:03,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:01:03,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:01:03,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:01:03,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:01:03,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:01:03,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:01:03,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:01:03,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:01:03,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:01:03,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:01:03,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:01:03,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:01:03,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:01:03,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:01:03,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:01:03,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:01:03,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:01:03,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:01:03,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:01:03,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:01:03,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:01:03,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:01:03,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:01:03,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:01:03,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:01:03,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:01:03,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:01:03,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:01:03,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:01:03,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:01:03,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:01:03,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:01:03,701 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:01:03,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:01:03,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:01:03,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:01:03,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:01:03,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:01:03,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:01:03,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:03,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:01:03,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:01:03,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:01:03,704 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:01:03,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:01:03,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:01:03,704 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_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d4f95d46f925eca21fc2f5b3cd1fe5bc6cd8855db4ea014794fdfc2ae36764 [2022-11-20 18:01:04,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:01:04,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:01:04,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:01:04,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:01:04,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:01:04,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i [2022-11-20 18:01:07,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:01:07,644 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:01:07,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_44_good.i [2022-11-20 18:01:07,681 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/data/9e3160613/56c9b872ba0342c594f6e0eaf0e517e9/FLAGedbd22ec2 [2022-11-20 18:01:07,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/data/9e3160613/56c9b872ba0342c594f6e0eaf0e517e9 [2022-11-20 18:01:07,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:01:07,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:01:07,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:07,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:01:07,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:01:07,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:07" (1/1) ... [2022-11-20 18:01:07,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141ba7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:07, skipping insertion in model container [2022-11-20 18:01:07,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:07" (1/1) ... [2022-11-20 18:01:07,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:01:07,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:01:08,170 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:01:08,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:08,794 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:01:08,827 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:01:08,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:09,079 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:01:09,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09 WrapperNode [2022-11-20 18:01:09,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:09,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:09,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:01:09,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:01:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,135 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2022-11-20 18:01:09,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:09,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:01:09,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:01:09,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:01:09,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:01:09,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:01:09,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:01:09,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:01:09,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:09,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:01:09,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:01:09,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:01:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:01:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:01:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:01:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:01:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:01:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 18:01:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 18:01:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:01:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:01:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:01:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:01:09,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:01:09,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:01:09,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:01:09,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:01:09,627 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:01:09,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:09 BoogieIcfgContainer [2022-11-20 18:01:09,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:01:09,630 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:01:09,631 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:01:09,640 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:01:09,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:09" (1/1) ... [2022-11-20 18:01:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:01:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 18:01:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 18:01:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:01:09,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-20 18:01:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 18:01:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:01:10,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 43 transitions. [2022-11-20 18:01:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-20 18:01:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:01:10,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2022-11-20 18:01:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-20 18:01:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:01:10,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:10,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 46 transitions. [2022-11-20 18:01:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-11-20 18:01:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:01:10,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:11,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 41 transitions. [2022-11-20 18:01:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-20 18:01:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:01:11,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:01:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 40 transitions. [2022-11-20 18:01:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-20 18:01:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:01:11,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:11,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 35 transitions. [2022-11-20 18:01:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-20 18:01:12,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:01:12,289 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-20 18:01:12,301 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:01:12,376 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:01:12,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:01:12 ImpRootNode [2022-11-20 18:01:12,382 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:01:12,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:01:12,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:01:12,384 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:01:12,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:09" (3/4) ... [2022-11-20 18:01:12,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:01:12,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:01:12,400 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:01:12,400 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 18:01:12,408 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 18:01:12,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 18:01:12,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 18:01:12,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:01:12,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:01:12,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:01:12,463 INFO L158 Benchmark]: Toolchain (without parser) took 4759.18ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 140.1MB in the beginning and 146.7MB in the end (delta: -6.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,463 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 136.3MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:01:12,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.70ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 142.0MB in the end (delta: -2.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 178.3MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,465 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 178.3MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,465 INFO L158 Benchmark]: RCFGBuilder took 460.18ms. Allocated memory is still 178.3MB. Free memory was 137.8MB in the beginning and 123.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,466 INFO L158 Benchmark]: CodeCheck took 2751.93ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 123.2MB in the beginning and 149.8MB in the end (delta: -26.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,466 INFO L158 Benchmark]: Witness Printer took 78.44ms. Allocated memory is still 213.9MB. Free memory was 149.8MB in the beginning and 146.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:12,468 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 112 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 784 GetRequests, 739 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 7/7 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: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1593]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 136.3MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.70ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 142.0MB in the end (delta: -2.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 178.3MB. Free memory was 142.0MB in the beginning and 139.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 178.3MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.18ms. Allocated memory is still 178.3MB. Free memory was 137.8MB in the beginning and 123.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2751.93ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 123.2MB in the beginning and 149.8MB in the end (delta: -26.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 78.44ms. Allocated memory is still 213.9MB. Free memory was 149.8MB in the beginning and 146.7MB 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! [2022-11-20 18:01:12,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee53794-40f7-4461-af3c-26669331c32a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE