./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_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_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/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_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/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_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/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 a93bd06766c710986955715a90429585d1ed56b16b345e165b1d649c57699bb7 --- 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 23:50:34,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:50:34,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:50:34,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:50:34,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:50:34,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:50:34,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:50:34,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:50:34,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:50:34,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:50:34,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:50:34,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:50:34,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:50:34,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:50:34,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:50:34,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:50:34,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:50:34,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:50:34,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:50:34,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:50:34,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:50:34,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:50:34,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:50:34,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:50:34,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:50:34,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:50:34,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:50:34,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:50:34,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:50:34,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:50:34,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:50:34,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:50:34,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:50:34,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:50:34,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:50:34,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:50:34,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:50:34,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:50:34,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:50:34,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:50:34,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:50:34,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:50:34,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:50:34,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:50:34,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:50:34,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:50:34,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:50:34,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:50:34,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:50:34,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:50:34,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:50:34,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:50:34,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:50:34,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:50:34,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:50:34,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:50:34,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:50:34,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:50:34,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:50:34,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:50:34,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:50:34,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:50:34,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:34,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:50:34,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:50:34,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:50:34,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:50:34,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:50:34,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:50:34,515 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_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a93bd06766c710986955715a90429585d1ed56b16b345e165b1d649c57699bb7 [2022-11-21 23:50:34,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:50:34,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:50:34,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:50:34,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:50:34,855 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:50:34,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_good.i [2022-11-21 23:50:37,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:50:38,394 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:50:38,395 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_07_good.i [2022-11-21 23:50:38,427 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/data/0cea1efe1/41dd1a7a12694d1ca76f7f839d6920e2/FLAG7069ce152 [2022-11-21 23:50:38,447 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/data/0cea1efe1/41dd1a7a12694d1ca76f7f839d6920e2 [2022-11-21 23:50:38,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:50:38,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:50:38,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:38,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:50:38,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:50:38,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:38" (1/1) ... [2022-11-21 23:50:38,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d63c6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:38, skipping insertion in model container [2022-11-21 23:50:38,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:38" (1/1) ... [2022-11-21 23:50:38,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:50:38,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:50:38,877 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:39,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:39,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:50:39,541 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:39,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:39,793 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:50:39,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39 WrapperNode [2022-11-21 23:50:39,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:39,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:39,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:50:39,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:50:39,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,888 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2022-11-21 23:50:39,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:39,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:50:39,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:50:39,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:50:39,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:50:39,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:50:39,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:50:39,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:50:39,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:39" (1/1) ... [2022-11-21 23:50:39,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:50:39,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:50:39,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:50:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:50:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:50:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:50:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:50:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:50:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:50:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:50:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:50:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:50:40,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:50:40,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:50:40,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:50:40,614 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:50:40,614 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:50:40,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:40 BoogieIcfgContainer [2022-11-21 23:50:40,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:50:40,618 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:50:40,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:50:40,628 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:50:40,629 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:40" (1/1) ... [2022-11-21 23:50:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:50:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-11-21 23:50:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-21 23:50:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:50:40,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:40,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:41,187 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 23:50:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 58 transitions. [2022-11-21 23:50:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-21 23:50:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:50:41,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:41,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:41,383 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 23:50:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 57 transitions. [2022-11-21 23:50:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 23:50:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:50:41,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:41,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:41,582 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 23:50:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 54 transitions. [2022-11-21 23:50:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-21 23:50:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:50:41,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:41,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:41,931 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 23:50:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 55 transitions. [2022-11-21 23:50:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-21 23:50:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:50:42,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,074 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 23:50:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 54 transitions. [2022-11-21 23:50:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-11-21 23:50:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:50:42,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,183 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 23:50:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 54 transitions. [2022-11-21 23:50:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-21 23:50:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:50:42,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,339 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 23:50:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 51 transitions. [2022-11-21 23:50:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-21 23:50:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:50:42,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,635 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 23:50:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 55 transitions. [2022-11-21 23:50:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-21 23:50:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:50:42,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,755 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 23:50:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 60 transitions. [2022-11-21 23:50:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-21 23:50:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:50:42,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:50:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 62 transitions. [2022-11-21 23:50:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-21 23:50:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:50:42,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:43,004 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 23:50:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 63 transitions. [2022-11-21 23:50:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:50:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:50:43,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:43,168 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 23:50:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 45 transitions. [2022-11-21 23:50:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-21 23:50:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:50:43,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:43,519 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 23:50:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 36 states and 44 transitions. [2022-11-21 23:50:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-21 23:50:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:50:43,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:43,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:43,794 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 23:50:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 43 transitions. [2022-11-21 23:50:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-21 23:50:43,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:50:43,912 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2022-11-21 23:50:43,920 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:50:44,031 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:50:44,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:50:44 ImpRootNode [2022-11-21 23:50:44,037 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:50:44,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:50:44,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:50:44,038 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:50:44,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:40" (3/4) ... [2022-11-21 23:50:44,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:50:44,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:50:44,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:50:44,052 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-21 23:50:44,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:50:44,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:50:44,053 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:50:44,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:50:44,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:50:44,126 INFO L158 Benchmark]: Toolchain (without parser) took 5674.26ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 105.0MB in the beginning and 92.3MB in the end (delta: 12.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,126 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 121.6MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:44,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.71ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 110.9MB in the end (delta: -6.4MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.93ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 107.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,127 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,128 INFO L158 Benchmark]: RCFGBuilder took 697.14ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 74.6MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,128 INFO L158 Benchmark]: CodeCheck took 3419.07ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 74.6MB in the beginning and 96.5MB in the end (delta: -21.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,128 INFO L158 Benchmark]: Witness Printer took 87.98ms. Allocated memory is still 197.1MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:50:44,130 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, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1357 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 409 mSDsluCounter, 856 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 286 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1119 IncrementalHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 286 mSolverCounterUnsat, 662 mSDtfsCounter, 1119 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2148 GetRequests, 2090 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 56/56 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1626]: 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: 1643]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 121.6MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.71ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 110.9MB in the end (delta: -6.4MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.93ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 107.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 157.3MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.14ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 74.6MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 3419.07ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 74.6MB in the beginning and 96.5MB in the end (delta: -21.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Witness Printer took 87.98ms. Allocated memory is still 197.1MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:50:44,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c298ab-7395-4ae4-b9bd-9ba19f6a9837/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