./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_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_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/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_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/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_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/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 df1b3c6c94f9f90049c33dc36c8939b75c735feb6d6444fdb5672197c7b46887 --- 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 17:06:10,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:06:10,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:06:10,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:06:10,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:06:10,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:06:10,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:06:10,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:06:10,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:06:10,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:06:10,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:06:10,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:06:10,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:06:10,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:06:10,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:06:10,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:06:10,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:06:10,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:06:10,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:06:10,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:06:10,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:06:10,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:06:10,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:06:10,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:06:10,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:06:10,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:06:10,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:06:10,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:06:10,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:06:10,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:06:10,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:06:10,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:06:10,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:06:10,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:06:10,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:06:10,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:06:10,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:06:10,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:06:10,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:06:10,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:06:10,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:06:10,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:06:10,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:06:10,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:06:10,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:06:10,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:06:10,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:06:10,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:06:10,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:06:10,612 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:06:10,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:06:10,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:06:10,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:06:10,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:06:10,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:06:10,614 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:06:10,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:06:10,614 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:06:10,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:06:10,615 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:06:10,615 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:06:10,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:06:10,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:10,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:06:10,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:06:10,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:06:10,617 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:06:10,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:06:10,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:06:10,617 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_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df1b3c6c94f9f90049c33dc36c8939b75c735feb6d6444fdb5672197c7b46887 [2022-11-20 17:06:10,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:06:10,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:06:10,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:06:10,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:06:10,967 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:06:10,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i [2022-11-20 17:06:14,104 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:06:14,501 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:06:14,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i [2022-11-20 17:06:14,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/data/07f3b5331/d76e1f763843486ab8d46badb7e16b44/FLAG6ed3b8fc5 [2022-11-20 17:06:14,552 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/data/07f3b5331/d76e1f763843486ab8d46badb7e16b44 [2022-11-20 17:06:14,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:06:14,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:06:14,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:14,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:06:14,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:06:14,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:14" (1/1) ... [2022-11-20 17:06:14,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1346a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:14, skipping insertion in model container [2022-11-20 17:06:14,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:14" (1/1) ... [2022-11-20 17:06:14,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:06:14,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:06:15,049 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:15,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:15,677 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:06:15,699 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:15,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:15,903 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:06:15,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15 WrapperNode [2022-11-20 17:06:15,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:15,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:15,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:06:15,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:06:15,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,065 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-11-20 17:06:16,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:16,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:06:16,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:06:16,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:06:16,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,119 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:06:16,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:06:16,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:06:16,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:06:16,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:15" (1/1) ... [2022-11-20 17:06:16,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:06:16,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:06:16,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:06:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:06:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:06:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:06:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:06:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:06:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:06:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:06:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:06:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:06:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:06:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:06:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:06:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:06:16,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:06:16,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:06:16,645 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:06:16,729 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:06:16,735 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:06:16,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:16 BoogieIcfgContainer [2022-11-20 17:06:16,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:06:16,739 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:06:16,739 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:06:16,747 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:06:16,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:16" (1/1) ... [2022-11-20 17:06:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:06:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-11-20 17:06:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-20 17:06:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:06:16,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:16,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:17,186 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 17:06:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2022-11-20 17:06:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 17:06:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:06:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:17,429 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 17:06:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-20 17:06:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-20 17:06:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:06:17,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:17,540 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 17:06:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2022-11-20 17:06:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-20 17:06:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:06:17,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:06:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 58 transitions. [2022-11-20 17:06:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:06:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:06:17,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 60 transitions. [2022-11-20 17:06:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-20 17:06:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:06:17,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-11-20 17:06:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 17:06:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:06:18,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-11-20 17:06:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 17:06:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:06:18,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-11-20 17:06:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 17:06:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:06:18,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-11-20 17:06:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 17:06:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:06:18,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:06:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 68 transitions. [2022-11-20 17:06:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-20 17:06:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:06:18,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,712 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 17:06:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 71 transitions. [2022-11-20 17:06:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-11-20 17:06:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:06:18,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 72 transitions. [2022-11-20 17:06:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-11-20 17:06:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:06:18,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:19,026 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 17:06:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 73 transitions. [2022-11-20 17:06:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-11-20 17:06:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:06:19,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:06:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 58 transitions. [2022-11-20 17:06:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:06:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:06:19,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:06:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 52 transitions. [2022-11-20 17:06:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-20 17:06:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:06:19,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:19,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:06:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 57 transitions. [2022-11-20 17:06:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-20 17:06:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:06:19,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:06:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 63 transitions. [2022-11-20 17:06:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 17:06:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:06:20,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:20,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:06:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 75 transitions. [2022-11-20 17:06:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-20 17:06:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:06:21,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:06:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 78 transitions. [2022-11-20 17:06:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2022-11-20 17:06:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:06:21,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:21,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:06:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 83 transitions. [2022-11-20 17:06:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-20 17:06:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:06:21,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:06:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 87 transitions. [2022-11-20 17:06:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-11-20 17:06:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:06:22,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:06:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 41 states and 47 transitions. [2022-11-20 17:06:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 17:06:22,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:06:22,416 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2022-11-20 17:06:22,424 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:06:22,558 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:06:22,563 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 17:06:22,568 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:06:22,569 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:06:22,569 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:06:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:06:22 ImpRootNode [2022-11-20 17:06:22,571 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:06:22,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:06:22,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:06:22,572 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:06:22,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:16" (3/4) ... [2022-11-20 17:06:22,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:06:22,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:06:22,593 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:06:22,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:06:22,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:06:22,601 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:06:22,601 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:06:22,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:06:22,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:06:22,661 INFO L158 Benchmark]: Toolchain (without parser) took 8105.05ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 155.8MB in the beginning and 113.4MB in the end (delta: 42.3MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,661 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:22,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.14ms. Allocated memory is still 190.8MB. Free memory was 155.1MB in the beginning and 92.9MB in the end (delta: 62.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.94ms. Allocated memory is still 190.8MB. Free memory was 92.9MB in the beginning and 157.3MB in the end (delta: -64.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,662 INFO L158 Benchmark]: Boogie Preprocessor took 68.80ms. Allocated memory is still 190.8MB. Free memory was 157.3MB in the beginning and 155.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:22,663 INFO L158 Benchmark]: RCFGBuilder took 602.61ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,663 INFO L158 Benchmark]: CodeCheck took 5832.07ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 137.4MB in the beginning and 116.6MB in the end (delta: 20.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,663 INFO L158 Benchmark]: Witness Printer took 89.17ms. Allocated memory is still 239.1MB. Free memory was 116.6MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:06:22,665 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, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1635 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 688 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 294 mSDsCounter, 665 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2548 IncrementalHoareTripleChecker+Invalid, 3213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 665 mSolverCounterUnsat, 554 mSDtfsCounter, 2548 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3546 GetRequests, 3450 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2927 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 461 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 61/65 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.14ms. Allocated memory is still 190.8MB. Free memory was 155.1MB in the beginning and 92.9MB in the end (delta: 62.2MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.94ms. Allocated memory is still 190.8MB. Free memory was 92.9MB in the beginning and 157.3MB in the end (delta: -64.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.80ms. Allocated memory is still 190.8MB. Free memory was 157.3MB in the beginning and 155.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.61ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5832.07ms. Allocated memory was 190.8MB in the beginning and 239.1MB in the end (delta: 48.2MB). Free memory was 137.4MB in the beginning and 116.6MB in the end (delta: 20.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Witness Printer took 89.17ms. Allocated memory is still 239.1MB. Free memory was 116.6MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:06:22,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bfbeaa-d25c-403d-8b45-dfb0ff8f4cf3/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