./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6881ecdf040849b2aabb02c656e98e9280634cdf09df5b27395511b33bbd641c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:13:30,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:13:30,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:13:30,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:13:30,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:13:30,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:13:30,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:13:30,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:13:30,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:13:30,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:13:30,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:13:30,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:13:30,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:13:30,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:13:30,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:13:30,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:13:30,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:13:30,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:13:30,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:13:30,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:13:30,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:13:30,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:13:30,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:13:30,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:13:30,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:13:30,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:13:30,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:13:30,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:13:30,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:13:30,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:13:30,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:13:30,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:13:30,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:13:30,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:13:30,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:13:30,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:13:30,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:13:30,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:13:30,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:13:30,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:13:30,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:13:30,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:13:30,526 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:13:30,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:13:30,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:13:30,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:13:30,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:13:30,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:13:30,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:13:30,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:13:30,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:13:30,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:13:30,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:13:30,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:13:30,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:13:30,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:13:30,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:13:30,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:13:30,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:13:30,549 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:13:30,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:13:30,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:13:30,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:13:30,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:13:30,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:13:30,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:13:30,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:13:30,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:13:30,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:13:30,551 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_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6881ecdf040849b2aabb02c656e98e9280634cdf09df5b27395511b33bbd641c [2022-11-21 22:13:30,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:13:30,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:13:30,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:13:30,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:13:30,950 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:13:30,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i [2022-11-21 22:13:34,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:13:34,700 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:13:34,701 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i [2022-11-21 22:13:34,725 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/data/8c9707e98/3085d23dc5414aa8b969594bdc3c9816/FLAG312b8e032 [2022-11-21 22:13:34,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/data/8c9707e98/3085d23dc5414aa8b969594bdc3c9816 [2022-11-21 22:13:34,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:13:34,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:13:34,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:13:34,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:13:34,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:13:34,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:34" (1/1) ... [2022-11-21 22:13:34,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5815e794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:34, skipping insertion in model container [2022-11-21 22:13:34,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:34" (1/1) ... [2022-11-21 22:13:34,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:13:34,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:13:35,280 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:13:35,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:13:35,984 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:13:36,007 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:13:36,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:13:36,241 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:13:36,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36 WrapperNode [2022-11-21 22:13:36,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:13:36,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:13:36,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:13:36,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:13:36,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,338 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-11-21 22:13:36,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:13:36,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:13:36,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:13:36,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:13:36,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:13:36,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:13:36,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:13:36,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:13:36,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:13:36,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:13:36,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:13:36,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:13:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:13:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:13:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:13:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:13:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:13:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:13:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:13:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:13:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:13:36,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:13:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:13:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:13:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:13:36,686 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:13:36,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:13:36,922 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:13:36,968 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:13:36,969 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:13:36,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:36 BoogieIcfgContainer [2022-11-21 22:13:36,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:13:36,973 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:13:36,973 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:13:36,984 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:13:36,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:36" (1/1) ... [2022-11-21 22:13:36,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:13:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 22:13:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 22:13:37,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:13:37,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:37,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:13:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 22:13:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:13:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:13:37,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:37,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:13:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 22:13:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 22:13:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:13:37,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:37,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:13:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 22:13:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 22:13:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:13:37,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:37,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 22:13:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 22:13:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:13:38,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 22:13:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:13:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:13:38,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:38,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 22:13:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 22:13:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:13:39,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:39,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 22:13:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 22:13:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:13:39,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:13:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 22:13:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 22:13:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:13:39,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 22:13:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 22:13:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:13:39,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:39,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 22:13:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 22:13:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:13:39,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:39,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 22:13:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 22:13:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:13:40,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 22:13:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 22:13:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:40,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 22:13:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 22:13:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:13:40,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 22:13:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 22:13:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:13:40,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 22:13:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 22:13:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:13:40,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 22:13:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 22:13:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:13:40,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 22:13:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:13:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:13:41,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:41,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:13:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 22:13:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 22:13:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:13:42,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 22:13:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:13:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:42,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 22:13:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 22:13:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:13:42,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:42,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:13:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-21 22:13:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:13:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:13:43,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-21 22:13:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 22:13:43,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:13:43,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:43,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:13:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-21 22:13:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 22:13:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:13:43,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:43,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-21 22:13:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:13:44,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:13:44,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:44,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:13:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 44 states and 56 transitions. [2022-11-21 22:13:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 22:13:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:13:44,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:13:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 43 states and 55 transitions. [2022-11-21 22:13:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 22:13:45,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:13:45,222 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 22:13:45,236 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:13:45,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:13:45,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:13:45 ImpRootNode [2022-11-21 22:13:45,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:13:45,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:13:45,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:13:45,608 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:13:45,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:36" (3/4) ... [2022-11-21 22:13:45,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:13:45,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:13:45,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:13:45,641 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 22:13:45,642 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:13:45,642 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:13:45,643 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:13:45,643 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:13:45,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:13:45,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:13:45,719 INFO L158 Benchmark]: Toolchain (without parser) took 10974.49ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 124.1MB in the beginning and 113.9MB in the end (delta: 10.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,720 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:13:45,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1495.77ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 120.1MB in the end (delta: 3.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.83ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,723 INFO L158 Benchmark]: Boogie Preprocessor took 45.19ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:13:45,723 INFO L158 Benchmark]: RCFGBuilder took 584.61ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 97.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,724 INFO L158 Benchmark]: CodeCheck took 8633.48ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 118.0MB in the end (delta: -20.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,725 INFO L158 Benchmark]: Witness Printer took 111.75ms. Allocated memory is still 205.5MB. Free memory was 118.0MB in the beginning and 113.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:13:45,726 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, 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, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1723 mSDsluCounter, 3637 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1400 mSDsCounter, 1055 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4553 IncrementalHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1055 mSolverCounterUnsat, 2237 mSDtfsCounter, 4553 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6123 GetRequests, 5951 SyntacticMatches, 12 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12731 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1495.77ms. Allocated memory is still 169.9MB. Free memory was 124.1MB in the beginning and 120.1MB in the end (delta: 3.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.83ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.19ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.61ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 97.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8633.48ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 118.0MB in the end (delta: -20.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 111.75ms. Allocated memory is still 205.5MB. Free memory was 118.0MB in the beginning and 113.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:13:45,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b08233-e8ad-4dff-a08a-0cdb8871ea7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE