./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/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_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/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_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/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 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 --- 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 23:29:35,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:29:35,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:29:35,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:29:35,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:29:35,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:29:35,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:29:35,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:29:35,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:29:35,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:29:35,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:29:35,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:29:35,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:29:35,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:29:35,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:29:35,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:29:35,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:29:35,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:29:35,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:29:35,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:29:35,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:29:35,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:29:35,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:29:35,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:29:35,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:29:35,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:29:35,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:29:35,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:29:35,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:29:35,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:29:35,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:29:35,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:29:35,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:29:35,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:29:35,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:29:35,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:29:35,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:29:35,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:29:35,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:29:35,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:29:35,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:29:35,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:29:35,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:29:35,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:29:35,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:29:35,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:29:35,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:29:35,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:29:35,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:29:35,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:29:35,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:29:35,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:29:35,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:29:35,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:29:35,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:29:35,183 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:29:35,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:29:35,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:29:35,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:29:35,184 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:29:35,185 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:29:35,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:29:35,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:29:35,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:29:35,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:29:35,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:29:35,186 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:29:35,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:29:35,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:29:35,187 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_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 [2022-11-21 23:29:35,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:29:35,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:29:35,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:29:35,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:29:35,535 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:29:35,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2022-11-21 23:29:38,590 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:29:38,987 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:29:38,988 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2022-11-21 23:29:39,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/data/0278d34a1/bcaf31a633c34b8ca64527cf5b0e046f/FLAGaf5af04af [2022-11-21 23:29:39,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/data/0278d34a1/bcaf31a633c34b8ca64527cf5b0e046f [2022-11-21 23:29:39,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:29:39,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:29:39,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:29:39,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:29:39,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:29:39,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:29:39" (1/1) ... [2022-11-21 23:29:39,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e09c70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:39, skipping insertion in model container [2022-11-21 23:29:39,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:29:39" (1/1) ... [2022-11-21 23:29:39,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:29:39,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:29:39,492 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:29:40,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:29:40,128 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:29:40,164 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:29:40,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:29:40,402 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:29:40,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40 WrapperNode [2022-11-21 23:29:40,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:29:40,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:29:40,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:29:40,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:29:40,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,503 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-21 23:29:40,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:29:40,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:29:40,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:29:40,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:29:40,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:29:40,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:29:40,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:29:40,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:29:40,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:40" (1/1) ... [2022-11-21 23:29:40,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:29:40,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:29:40,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:29:40,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:29:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:29:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:29:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:29:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:29:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:29:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:29:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:29:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:29:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:29:40,840 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:29:40,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:29:41,170 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:29:41,330 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:29:41,338 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 23:29:41,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:41 BoogieIcfgContainer [2022-11-21 23:29:41,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:29:41,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:29:41,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:29:41,352 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:29:41,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:41" (1/1) ... [2022-11-21 23:29:41,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:29:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-11-21 23:29:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-21 23:29:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:29:41,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:41,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:41,852 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 23:29:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 57 transitions. [2022-11-21 23:29:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-21 23:29:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:29:41,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:41,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,002 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 23:29:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 56 transitions. [2022-11-21 23:29:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-21 23:29:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:29:42,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,181 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 23:29:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 55 transitions. [2022-11-21 23:29:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-21 23:29:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:29:42,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,319 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 23:29:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 54 transitions. [2022-11-21 23:29:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-11-21 23:29:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:29:42,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,549 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 23:29:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 49 transitions. [2022-11-21 23:29:42,595 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-21 23:29:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:29:42,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,696 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 23:29:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 48 transitions. [2022-11-21 23:29:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-11-21 23:29:42,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:29:42,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:42,891 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 23:29:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 46 transitions. [2022-11-21 23:29:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-21 23:29:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:29:42,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:43,044 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 23:29:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 45 transitions. [2022-11-21 23:29:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-11-21 23:29:43,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:29:43,137 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:29:43,146 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:29:43,200 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:29:43,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:29:43 ImpRootNode [2022-11-21 23:29:43,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:29:43,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:29:43,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:29:43,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:29:43,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:41" (3/4) ... [2022-11-21 23:29:43,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:29:43,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:29:43,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:29:43,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 23:29:43,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:29:43,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:29:43,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:29:43,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:29:43,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:29:43,279 INFO L158 Benchmark]: Toolchain (without parser) took 4234.29ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 125.8MB in the beginning and 87.1MB in the end (delta: 38.7MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,279 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:29:43,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.90ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 111.1MB in the end (delta: 14.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.11ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,280 INFO L158 Benchmark]: Boogie Preprocessor took 67.80ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,281 INFO L158 Benchmark]: RCFGBuilder took 760.48ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 75.5MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,281 INFO L158 Benchmark]: CodeCheck took 1863.91ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 75.5MB in the beginning and 91.3MB in the end (delta: -15.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,281 INFO L158 Benchmark]: Witness Printer took 72.62ms. Allocated memory is still 197.1MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:29:43,283 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, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 380 IncrementalHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 156 mSDtfsCounter, 380 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.90ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 111.1MB in the end (delta: 14.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.11ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 107.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.80ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.48ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 75.5MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 1863.91ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 75.5MB in the beginning and 91.3MB in the end (delta: -15.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 72.62ms. Allocated memory is still 197.1MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:29:43,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e78a220-d8c1-4e9c-8d9a-719aec1fc0d4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE