./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_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_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/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_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/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_67bbfbc6-4217-4351-8a86-dc7944d782b6/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 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 --- 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 21:59:27,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:27,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:27,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:27,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:27,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:27,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:27,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:27,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:27,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:27,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:27,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:27,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:27,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:27,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:27,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:27,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:27,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:27,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:27,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:27,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:27,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:27,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:27,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:27,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:27,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:27,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:27,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:27,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:27,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:27,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:27,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:27,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:27,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:27,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:27,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:27,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:27,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:27,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:27,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:27,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:27,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:59:27,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:27,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:27,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:27,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:27,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:27,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:27,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:27,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:59:27,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:27,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:27,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:27,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:27,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:27,188 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:59:27,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:27,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:27,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:27,189 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:27,189 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:27,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:27,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:27,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:27,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:27,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:27,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:27,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:27,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:27,191 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_67bbfbc6-4217-4351-8a86-dc7944d782b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 [2022-11-21 21:59:27,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:27,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:27,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:27,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:27,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:27,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2022-11-21 21:59:30,643 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:59:31,055 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:59:31,059 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2022-11-21 21:59:31,084 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/data/2310e8fed/dd07fc85084b406c8b7a9c364970d61f/FLAGa39eb28b6 [2022-11-21 21:59:31,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/data/2310e8fed/dd07fc85084b406c8b7a9c364970d61f [2022-11-21 21:59:31,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:59:31,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:59:31,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:31,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:59:31,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:59:31,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501a82b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31, skipping insertion in model container [2022-11-21 21:59:31,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:59:31,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:59:31,614 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:32,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:32,129 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:59:32,146 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:32,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:32,329 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:59:32,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32 WrapperNode [2022-11-21 21:59:32,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:32,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:32,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:59:32,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:59:32,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,449 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-11-21 21:59:32,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:32,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:59:32,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:59:32,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:59:32,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:59:32,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:59:32,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:59:32,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:59:32,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:32,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:59:32,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:59:32,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:59:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:59:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:59:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 21:59:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:59:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:59:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:59:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 21:59:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:59:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:59:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:59:32,743 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:59:32,745 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:59:33,002 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:59:33,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:59:33,064 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:59:33,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:33 BoogieIcfgContainer [2022-11-21 21:59:33,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:59:33,068 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:59:33,068 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:59:33,095 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:59:33,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:33" (1/1) ... [2022-11-21 21:59:33,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:59:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 21:59:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 21:59:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:59:33,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,391 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 21:59:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-11-21 21:59:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:59:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:59:33,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,611 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 21:59:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-11-21 21:59:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 21:59:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:59:33,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,781 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 21:59:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 77 transitions. [2022-11-21 21:59:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 21:59:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:59:33,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,027 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 21:59:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 70 transitions. [2022-11-21 21:59:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 21:59:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 21:59:34,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,222 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 21:59:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 72 transitions. [2022-11-21 21:59:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:59:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:59:34,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,451 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 21:59:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 75 transitions. [2022-11-21 21:59:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-21 21:59:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:59:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,542 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 21:59:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 69 transitions. [2022-11-21 21:59:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-21 21:59:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:59:34,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,663 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 21:59:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-11-21 21:59:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 21:59:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:59:34,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,936 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 21:59:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-11-21 21:59:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-11-21 21:59:34,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 21:59:34,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,042 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 21:59:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 71 transitions. [2022-11-21 21:59:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-21 21:59:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:59:35,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,172 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 21:59:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 73 transitions. [2022-11-21 21:59:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-11-21 21:59:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 21:59:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,343 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 21:59:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 66 transitions. [2022-11-21 21:59:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 21:59:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 21:59:35,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,506 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 21:59:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 63 transitions. [2022-11-21 21:59:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 21:59:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 21:59:35,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,657 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 21:59:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 67 transitions. [2022-11-21 21:59:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 21:59:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:59:35,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,777 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 21:59:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 72 transitions. [2022-11-21 21:59:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 21:59:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 21:59:35,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,932 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 21:59:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 74 transitions. [2022-11-21 21:59:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-21 21:59:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 21:59:35,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,016 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 21:59:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 75 transitions. [2022-11-21 21:59:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-21 21:59:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 21:59:36,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,198 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 21:59:36,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-11-21 21:59:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-21 21:59:36,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 21:59:36,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,571 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 21:59:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 44 states and 56 transitions. [2022-11-21 21:59:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 21:59:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 21:59:36,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,883 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 21:59:37,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 43 states and 55 transitions. [2022-11-21 21:59:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 21:59:37,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:59:37,017 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-21 21:59:37,026 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 21:59:37,224 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:59:37,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:59:37 ImpRootNode [2022-11-21 21:59:37,229 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:59:37,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:59:37,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:59:37,230 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:59:37,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:33" (3/4) ... [2022-11-21 21:59:37,233 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:59:37,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:59:37,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:59:37,244 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 21:59:37,244 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 21:59:37,245 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 21:59:37,245 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:59:37,245 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:59:37,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:59:37,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:59:37,290 INFO L158 Benchmark]: Toolchain (without parser) took 6184.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 132.8MB in the beginning and 74.3MB in the end (delta: 58.5MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,290 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:59:37,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1221.83ms. Allocated memory is still 163.6MB. Free memory was 132.6MB in the beginning and 74.6MB in the end (delta: 57.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.29ms. Allocated memory is still 163.6MB. Free memory was 74.6MB in the beginning and 129.3MB in the end (delta: -54.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,292 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 127.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:59:37,292 INFO L158 Benchmark]: RCFGBuilder took 569.41ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 108.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,292 INFO L158 Benchmark]: CodeCheck took 4161.19ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 108.6MB in the beginning and 77.3MB in the end (delta: 31.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,293 INFO L158 Benchmark]: Witness Printer took 60.05ms. Allocated memory is still 197.1MB. Free memory was 77.3MB in the beginning and 74.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:59:37,294 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: 3.9s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2690 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 855 mSDsluCounter, 2192 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 511 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1943 IncrementalHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 511 mSolverCounterUnsat, 1506 mSDtfsCounter, 1943 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4037 GetRequests, 3955 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2398 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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 0.81ms. Allocated memory is still 127.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1221.83ms. Allocated memory is still 163.6MB. Free memory was 132.6MB in the beginning and 74.6MB in the end (delta: 57.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.29ms. Allocated memory is still 163.6MB. Free memory was 74.6MB in the beginning and 129.3MB in the end (delta: -54.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 163.6MB. Free memory was 129.3MB in the beginning and 127.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.41ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 108.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4161.19ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 108.6MB in the beginning and 77.3MB in the end (delta: 31.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Witness Printer took 60.05ms. Allocated memory is still 197.1MB. Free memory was 77.3MB in the beginning and 74.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:59:37,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67bbfbc6-4217-4351-8a86-dc7944d782b6/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