./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_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_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/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_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/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_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/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 bd01cd0f3337d5423eb0d602e9bac3553754d9a94509bab118366c083103808a --- 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 17:38:44,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:38:44,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:38:44,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:38:44,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:38:44,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:38:44,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:38:44,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:38:44,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:38:44,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:38:44,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:38:44,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:38:44,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:38:44,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:38:44,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:38:44,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:38:44,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:38:44,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:38:44,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:38:44,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:38:44,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:38:44,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:38:44,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:38:44,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:38:44,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:38:44,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:38:44,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:38:44,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:38:44,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:38:44,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:38:44,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:38:44,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:38:44,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:38:44,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:38:44,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:38:44,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:38:44,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:38:44,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:38:44,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:38:44,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:38:44,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:38:44,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:38:44,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:38:44,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:38:44,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:38:44,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:38:44,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:38:44,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:38:44,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:38:44,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:38:44,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:38:44,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:38:44,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:38:44,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:38:44,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:38:44,653 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:38:44,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:38:44,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:38:44,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:38:44,655 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:38:44,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:38:44,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:38:44,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:44,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:38:44,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:38:44,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:38:44,656 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:38:44,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:38:44,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:38:44,657 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_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd01cd0f3337d5423eb0d602e9bac3553754d9a94509bab118366c083103808a [2022-11-20 17:38:44,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:38:44,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:38:44,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:38:44,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:38:44,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:38:44,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i [2022-11-20 17:38:48,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:38:48,523 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:38:48,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i [2022-11-20 17:38:48,555 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/data/5d452bd34/526f875565d644d1a03c165d181beaa6/FLAG4c5897cb4 [2022-11-20 17:38:48,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/data/5d452bd34/526f875565d644d1a03c165d181beaa6 [2022-11-20 17:38:48,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:38:48,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:38:48,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:48,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:38:48,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:38:48,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:48" (1/1) ... [2022-11-20 17:38:48,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4463364f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:48, skipping insertion in model container [2022-11-20 17:38:48,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:48" (1/1) ... [2022-11-20 17:38:48,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:38:48,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:38:49,057 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:49,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:49,691 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:38:49,712 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:38:49,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:38:49,953 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:38:49,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49 WrapperNode [2022-11-20 17:38:49,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:38:49,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:49,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:38:49,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:38:49,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,057 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-11-20 17:38:50,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:38:50,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:38:50,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:38:50,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:38:50,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:38:50,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:38:50,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:38:50,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:38:50,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49" (1/1) ... [2022-11-20 17:38:50,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:38:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:38:50,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:38:50,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:38:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:38:50,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:38:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:38:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:38:50,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:38:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:38:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:38:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:38:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:38:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:38:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:38:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:38:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:38:50,416 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:38:50,418 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:38:50,727 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:38:50,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:38:50,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:38:50,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:50 BoogieIcfgContainer [2022-11-20 17:38:50,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:38:50,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:38:50,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:38:50,818 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:38:50,819 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:50" (1/1) ... [2022-11-20 17:38:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:38:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 17:38:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 17:38:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:38:50,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,242 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 17:38:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-11-20 17:38:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 17:38:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:38:51,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,430 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 17:38:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-11-20 17:38:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 17:38:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:38:51,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,607 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 17:38:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-11-20 17:38:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 17:38:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:38:51,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:51,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,775 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 17:38:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-11-20 17:38:51,810 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:38:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:38:51,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:51,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:51,868 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 17:38:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:38:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:38:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:38:52,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,200 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 17:38:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-11-20 17:38:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-11-20 17:38:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:38:52,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,335 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 17:38:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-11-20 17:38:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:38:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:52,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,460 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 17:38:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:38:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:38:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:38:52,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,532 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 17:38:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-11-20 17:38:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 17:38:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:38:52,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,653 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 17:38:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-11-20 17:38:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 17:38:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:38:52,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,756 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 17:38:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 90 transitions. [2022-11-20 17:38:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2022-11-20 17:38:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:38:52,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,850 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 17:38:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 96 transitions. [2022-11-20 17:38:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2022-11-20 17:38:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:52,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,018 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 17:38:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 111 transitions. [2022-11-20 17:38:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2022-11-20 17:38:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:38:53,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,124 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 17:38:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 110 transitions. [2022-11-20 17:38:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2022-11-20 17:38:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:38:53,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,292 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 17:38:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 71 states and 103 transitions. [2022-11-20 17:38:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-20 17:38:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:38:53,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,359 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 17:38:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 70 states and 101 transitions. [2022-11-20 17:38:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2022-11-20 17:38:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:38:53,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,426 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 17:38:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 102 transitions. [2022-11-20 17:38:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 17:38:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:38:53,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,524 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 17:38:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 98 transitions. [2022-11-20 17:38:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2022-11-20 17:38:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:38:53,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,709 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 17:38:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 97 transitions. [2022-11-20 17:38:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2022-11-20 17:38:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:38:53,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:53,873 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 17:38:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 100 transitions. [2022-11-20 17:38:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-11-20 17:38:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:38:54,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:54,047 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 17:38:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 99 transitions. [2022-11-20 17:38:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-11-20 17:38:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:38:54,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:54,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:54,282 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 17:38:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 108 transitions. [2022-11-20 17:38:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-11-20 17:38:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:38:54,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:54,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:54,452 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 17:38:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 112 transitions. [2022-11-20 17:38:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2022-11-20 17:38:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:38:54,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:54,827 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 17:38:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 111 transitions. [2022-11-20 17:38:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2022-11-20 17:38:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:38:55,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:55,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:55,157 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 17:38:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 48 states and 62 transitions. [2022-11-20 17:38:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 17:38:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:38:55,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:55,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:55,417 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 17:38:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 47 states and 61 transitions. [2022-11-20 17:38:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 17:38:55,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:38:55,439 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 17:38:55,450 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:38:55,763 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:38:55,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:38:55 ImpRootNode [2022-11-20 17:38:55,768 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:38:55,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:38:55,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:38:55,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:38:55,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:50" (3/4) ... [2022-11-20 17:38:55,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:38:55,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:38:55,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:38:55,792 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:38:55,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:38:55,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:38:55,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:38:55,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:38:55,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:38:55,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:38:55,853 INFO L158 Benchmark]: Toolchain (without parser) took 7270.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 123.3MB in the beginning and 163.4MB in the end (delta: -40.2MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,853 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:38:55,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1370.56ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 58.6MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.05ms. Allocated memory is still 163.6MB. Free memory was 58.6MB in the beginning and 130.2MB in the end (delta: -71.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,854 INFO L158 Benchmark]: Boogie Preprocessor took 25.75ms. Allocated memory is still 163.6MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,855 INFO L158 Benchmark]: RCFGBuilder took 718.01ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,855 INFO L158 Benchmark]: CodeCheck took 4959.85ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 109.3MB in the beginning and 54.5MB in the end (delta: 54.8MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,855 INFO L158 Benchmark]: Witness Printer took 83.97ms. Allocated memory is still 197.1MB. Free memory was 54.5MB in the beginning and 163.4MB in the end (delta: -109.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-20 17:38:55,857 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4615 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1731 mSDsluCounter, 4099 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1759 mSDsCounter, 873 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3110 IncrementalHoareTripleChecker+Invalid, 3983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 873 mSolverCounterUnsat, 2340 mSDtfsCounter, 3110 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5911 GetRequests, 5837 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1843 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 40/40 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1370.56ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 58.6MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.05ms. Allocated memory is still 163.6MB. Free memory was 58.6MB in the beginning and 130.2MB in the end (delta: -71.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.75ms. Allocated memory is still 163.6MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.01ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 109.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4959.85ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 109.3MB in the beginning and 54.5MB in the end (delta: 54.8MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. * Witness Printer took 83.97ms. Allocated memory is still 197.1MB. Free memory was 54.5MB in the beginning and 163.4MB in the end (delta: -109.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:38:55,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369bb3c6-0666-4afd-8578-3b2d1e14ffd8/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