./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_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_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/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_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/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_09ff76b1-96f6-4b42-8edf-408c93c36f28/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 1c4f09061289ac282723f540c80bfcbc8fc1e2590258403429a5b81141f03c33 --- 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 23:06:39,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:06:39,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:06:39,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:06:39,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:06:39,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:06:39,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:06:39,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:06:39,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:06:39,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:06:39,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:06:39,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:06:39,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:06:39,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:06:39,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:06:39,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:06:39,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:06:39,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:06:39,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:06:39,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:06:39,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:06:39,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:06:39,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:06:39,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:06:39,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:06:39,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:06:39,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:06:39,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:06:39,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:06:39,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:06:39,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:06:39,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:06:39,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:06:39,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:06:39,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:06:39,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:06:39,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:06:39,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:06:39,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:06:39,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:06:39,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:06:39,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:06:39,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:06:39,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:06:39,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:06:39,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:06:39,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:06:39,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:06:39,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:06:39,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:06:39,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:06:39,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:06:39,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:06:39,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:06:39,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:06:39,211 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:06:39,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:06:39,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:06:39,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:06:39,211 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:06:39,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:06:39,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:06:39,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:06:39,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:06:39,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:06:39,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:06:39,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:06:39,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:06:39,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:06:39,214 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_09ff76b1-96f6-4b42-8edf-408c93c36f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c4f09061289ac282723f540c80bfcbc8fc1e2590258403429a5b81141f03c33 [2022-11-21 23:06:39,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:06:39,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:06:39,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:06:39,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:06:39,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:06:39,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i [2022-11-21 23:06:42,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:06:42,962 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:06:42,963 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i [2022-11-21 23:06:42,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/data/0caef9eaf/0f5689c016c64b2cb3b9b1f2ffbeb80b/FLAG06fd61bdd [2022-11-21 23:06:43,007 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/data/0caef9eaf/0f5689c016c64b2cb3b9b1f2ffbeb80b [2022-11-21 23:06:43,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:06:43,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:06:43,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:06:43,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:06:43,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:06:43,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:43" (1/1) ... [2022-11-21 23:06:43,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1991dcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:43, skipping insertion in model container [2022-11-21 23:06:43,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:43" (1/1) ... [2022-11-21 23:06:43,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:06:43,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:06:43,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:06:44,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:06:44,027 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:06:44,051 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:06:44,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:06:44,269 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:06:44,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44 WrapperNode [2022-11-21 23:06:44,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:06:44,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:06:44,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:06:44,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:06:44,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,369 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-21 23:06:44,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:06:44,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:06:44,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:06:44,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:06:44,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:06:44,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:06:44,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:06:44,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:06:44,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:44" (1/1) ... [2022-11-21 23:06:44,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:06:44,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:06:44,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:06:44,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:06:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:06:44,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:06:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:06:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:06:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:06:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:06:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:06:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:06:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:06:44,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:06:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:06:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:06:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:06:44,713 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:06:44,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:06:44,998 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:06:45,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:06:45,044 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:06:45,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:45 BoogieIcfgContainer [2022-11-21 23:06:45,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:06:45,050 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:06:45,050 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:06:45,061 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:06:45,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:45" (1/1) ... [2022-11-21 23:06:45,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:06:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 23:06:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 23:06:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:06:45,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:45,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:45,389 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 23:06:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-11-21 23:06:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:06:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:06:45,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:45,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:45,673 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 23:06:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-11-21 23:06:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 23:06:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:06:45,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:45,868 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 23:06:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 77 transitions. [2022-11-21 23:06:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 23:06:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:06:45,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:45,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,069 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 23:06:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 70 transitions. [2022-11-21 23:06:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 23:06:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:06:46,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,256 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 23:06:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 72 transitions. [2022-11-21 23:06:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:06:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:06:46,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,482 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 23:06:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 75 transitions. [2022-11-21 23:06:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-21 23:06:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:06:46,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,584 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 23:06:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 69 transitions. [2022-11-21 23:06:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-21 23:06:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:06:46,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,747 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 23:06:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-11-21 23:06:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:06:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:06:46,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:46,994 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 23:06:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-11-21 23:06:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-11-21 23:06:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:06:47,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,079 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 23:06:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 71 transitions. [2022-11-21 23:06:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-21 23:06:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:06:47,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,191 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 23:06:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 73 transitions. [2022-11-21 23:06:47,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-11-21 23:06:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:06:47,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,353 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 23:06:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 66 transitions. [2022-11-21 23:06:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:06:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:06:47,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,532 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 23:06:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 63 transitions. [2022-11-21 23:06:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:06:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:06:47,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,671 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 23:06:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 67 transitions. [2022-11-21 23:06:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:06:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:06:47,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,805 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 23:06:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 72 transitions. [2022-11-21 23:06:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:06:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:06:47,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:47,959 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 23:06:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 74 transitions. [2022-11-21 23:06:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-21 23:06:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:06:47,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:48,031 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 23:06:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 75 transitions. [2022-11-21 23:06:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-21 23:06:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:06:48,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:48,206 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 23:06:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-11-21 23:06:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-21 23:06:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:06:48,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:48,601 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 23:06:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 44 states and 56 transitions. [2022-11-21 23:06:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 23:06:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:06:48,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:06:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:06:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:06:48,940 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 23:06:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:06:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 43 states and 55 transitions. [2022-11-21 23:06:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 23:06:49,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:06:49,077 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-21 23:06:49,087 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:06:49,270 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:06:49,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:06:49 ImpRootNode [2022-11-21 23:06:49,275 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:06:49,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:06:49,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:06:49,276 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:06:49,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:45" (3/4) ... [2022-11-21 23:06:49,280 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:06:49,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:06:49,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:06:49,291 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:06:49,291 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:06:49,292 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:06:49,292 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:06:49,293 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:06:49,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:06:49,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:06:49,363 INFO L158 Benchmark]: Toolchain (without parser) took 6348.60ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 142.6MB in the beginning and 155.6MB in the end (delta: -13.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,363 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 125.8MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:06:49,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.10ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 92.1MB in the end (delta: 50.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.20ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 89.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,364 INFO L158 Benchmark]: Boogie Preprocessor took 61.62ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 87.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,365 INFO L158 Benchmark]: RCFGBuilder took 616.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 87.9MB in the beginning and 174.9MB in the end (delta: -86.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,365 INFO L158 Benchmark]: CodeCheck took 4225.16ms. Allocated memory is still 211.8MB. Free memory was 174.9MB in the beginning and 159.8MB in the end (delta: 15.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,365 INFO L158 Benchmark]: Witness Printer took 86.36ms. Allocated memory is still 211.8MB. Free memory was 159.8MB in the beginning and 155.6MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:06:49,367 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: 4.0s, 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, 1.6s 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: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 125.8MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.10ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 92.1MB in the end (delta: 50.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.20ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 89.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.62ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 87.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 87.9MB in the beginning and 174.9MB in the end (delta: -86.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * CodeCheck took 4225.16ms. Allocated memory is still 211.8MB. Free memory was 174.9MB in the beginning and 159.8MB in the end (delta: 15.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 86.36ms. Allocated memory is still 211.8MB. Free memory was 159.8MB in the beginning and 155.6MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:06:49,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ff76b1-96f6-4b42-8edf-408c93c36f28/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