./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_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_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/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_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/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_45e2074b-c8d3-4df5-ad0f-746e64a9204c/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 8a83b28b68a2da54ca051b20d8047f73c0159519cd09c43008dea0cb84af25c1 --- 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 17:11:54,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:11:54,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:11:54,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:11:54,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:11:54,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:11:54,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:11:54,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:11:54,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:11:54,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:11:54,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:11:54,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:11:54,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:11:54,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:11:54,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:11:54,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:11:54,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:11:54,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:11:54,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:11:54,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:11:54,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:11:54,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:11:54,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:11:54,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:11:54,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:11:54,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:11:54,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:11:54,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:11:54,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:11:54,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:11:54,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:11:54,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:11:54,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:11:54,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:11:54,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:11:54,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:11:54,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:11:54,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:11:54,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:11:54,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:11:54,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:11:54,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:11:54,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:11:54,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:11:54,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:11:54,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:11:54,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:11:54,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:11:54,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:11:54,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:11:54,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:11:54,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:11:54,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:11:54,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:11:54,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:11:54,568 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:11:54,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:11:54,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:11:54,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:11:54,568 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:11:54,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:11:54,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:11:54,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:54,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:11:54,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:11:54,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:11:54,570 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:11:54,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:11:54,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:11:54,571 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_45e2074b-c8d3-4df5-ad0f-746e64a9204c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a83b28b68a2da54ca051b20d8047f73c0159519cd09c43008dea0cb84af25c1 [2022-11-20 17:11:54,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:11:54,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:11:54,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:11:54,924 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:11:54,925 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:11:54,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i [2022-11-20 17:11:58,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:11:58,504 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:11:58,504 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_good.i [2022-11-20 17:11:58,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/data/8fae937a5/e63d05f14fef4b6c918a0cfed7f889df/FLAG0dcae8840 [2022-11-20 17:11:58,555 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/data/8fae937a5/e63d05f14fef4b6c918a0cfed7f889df [2022-11-20 17:11:58,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:11:58,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:11:58,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:58,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:11:58,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:11:58,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:58" (1/1) ... [2022-11-20 17:11:58,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5070fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:58, skipping insertion in model container [2022-11-20 17:11:58,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:58" (1/1) ... [2022-11-20 17:11:58,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:11:58,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:11:59,061 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:11:59,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:59,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:11:59,650 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:11:59,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:59,902 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:11:59,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59 WrapperNode [2022-11-20 17:11:59,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:59,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:59,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:11:59,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:11:59,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:11:59,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:11:59,982 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2022-11-20 17:11:59,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:59,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:11:59,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:11:59,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:11:59,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:11:59,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:11:59,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:11:59,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:12:00,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:12:00,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:12:00,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:12:00,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:59" (1/1) ... [2022-11-20 17:12:00,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:12:00,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:12:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:12:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:12:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:12:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:12:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:12:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:12:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:12:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:12:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:12:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:12:00,232 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:12:00,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:12:00,560 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:12:00,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:12:00,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:12:00,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:00 BoogieIcfgContainer [2022-11-20 17:12:00,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:12:00,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:12:00,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:12:00,808 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:12:00,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:00" (1/1) ... [2022-11-20 17:12:00,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:12:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2022-11-20 17:12:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2022-11-20 17:12:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:12:00,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:00,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,276 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 17:12:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2022-11-20 17:12:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2022-11-20 17:12:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:12:01,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,485 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 17:12:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2022-11-20 17:12:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2022-11-20 17:12:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:12:01,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,687 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 17:12:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2022-11-20 17:12:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-11-20 17:12:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:12:01,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,874 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 17:12:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-20 17:12:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-20 17:12:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:12:01,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 68 transitions. [2022-11-20 17:12:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2022-11-20 17:12:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:12:02,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,240 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 17:12:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 73 transitions. [2022-11-20 17:12:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2022-11-20 17:12:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:12:02,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,408 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 17:12:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 79 transitions. [2022-11-20 17:12:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2022-11-20 17:12:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:02,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,568 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 17:12:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 85 transitions. [2022-11-20 17:12:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2022-11-20 17:12:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:02,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,774 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 17:12:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 91 transitions. [2022-11-20 17:12:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2022-11-20 17:12:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:12:03,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:03,131 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 17:12:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 90 transitions. [2022-11-20 17:12:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2022-11-20 17:12:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:12:03,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:12:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 94 transitions. [2022-11-20 17:12:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2022-11-20 17:12:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:12:03,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:03,559 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 17:12:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 93 transitions. [2022-11-20 17:12:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2022-11-20 17:12:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:12:03,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:12:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 92 transitions. [2022-11-20 17:12:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-11-20 17:12:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:12:03,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:03,995 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 17:12:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 87 transitions. [2022-11-20 17:12:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2022-11-20 17:12:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:12:04,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:04,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:04,379 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 17:12:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 86 transitions. [2022-11-20 17:12:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2022-11-20 17:12:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:12:04,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:04,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:04,514 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 17:12:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 90 transitions. [2022-11-20 17:12:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2022-11-20 17:12:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:12:04,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:04,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:04,886 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 17:12:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 65 states and 91 transitions. [2022-11-20 17:12:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2022-11-20 17:12:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:12:04,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:04,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:05,030 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 17:12:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 43 states and 55 transitions. [2022-11-20 17:12:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:12:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:12:05,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:05,502 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 17:12:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 43 states and 55 transitions. [2022-11-20 17:12:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 17:12:05,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:12:05,821 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-20 17:12:05,829 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:12:06,060 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:12:06,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:12:06 ImpRootNode [2022-11-20 17:12:06,066 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:12:06,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:12:06,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:12:06,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:12:06,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:00" (3/4) ... [2022-11-20 17:12:06,071 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:12:06,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:12:06,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:12:06,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:12:06,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:12:06,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:12:06,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:12:06,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:12:06,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:12:06,175 INFO L158 Benchmark]: Toolchain (without parser) took 7615.12ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 108.4MB in the beginning and 100.7MB in the end (delta: 7.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,175 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 67.1MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:06,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.44ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.6MB in the end (delta: 327.7kB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.05ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 109.9MB in the end (delta: -2.4MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,176 INFO L158 Benchmark]: Boogie Preprocessor took 30.34ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 107.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,177 INFO L158 Benchmark]: RCFGBuilder took 782.00ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 76.1MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,177 INFO L158 Benchmark]: CodeCheck took 5269.07ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 75.2MB in the beginning and 104.9MB in the end (delta: -29.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,177 INFO L158 Benchmark]: Witness Printer took 107.71ms. Allocated memory is still 182.5MB. Free memory was 104.9MB in the beginning and 100.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:12:06,179 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2440 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 917 mSDsluCounter, 1765 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 692 mSDsCounter, 525 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2368 IncrementalHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 525 mSolverCounterUnsat, 1073 mSDtfsCounter, 2368 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3481 GetRequests, 3391 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2928 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 24/24 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 1.52ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 67.1MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.44ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.6MB in the end (delta: 327.7kB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.05ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 109.9MB in the end (delta: -2.4MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.34ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 107.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.00ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 76.1MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 5269.07ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 75.2MB in the beginning and 104.9MB in the end (delta: -29.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 107.71ms. Allocated memory is still 182.5MB. Free memory was 104.9MB in the beginning and 100.7MB 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! [2022-11-20 17:12:06,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45e2074b-c8d3-4df5-ad0f-746e64a9204c/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