./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 0685996b3ad3b6c1a78d4032ff2ce5213c2e005589d7d20d22ae196ac6b43e5f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:38,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:38,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:00:38,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:38,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:38,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:38,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:38,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:38,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:38,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:38,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:38,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:38,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:38,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:38,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:38,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:38,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:38,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:38,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:38,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:38,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:38,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:38,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:38,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:38,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:38,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:38,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:38,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:38,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:38,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:38,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:38,542 INFO L153 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_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0685996b3ad3b6c1a78d4032ff2ce5213c2e005589d7d20d22ae196ac6b43e5f [2023-11-12 00:00:38,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:38,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:38,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:38,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:38,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:38,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_good.i [2023-11-12 00:00:41,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:42,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:42,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_good.i [2023-11-12 00:00:42,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/data/1280b7252/7cb74aa0f88947f19250b748945267a1/FLAGabf814fb0 [2023-11-12 00:00:42,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/data/1280b7252/7cb74aa0f88947f19250b748945267a1 [2023-11-12 00:00:42,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:42,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:42,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:42,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:42,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:42,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:42" (1/1) ... [2023-11-12 00:00:42,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b579635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:42, skipping insertion in model container [2023-11-12 00:00:42,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:42" (1/1) ... [2023-11-12 00:00:42,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:42,937 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:43,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:43,586 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:43,620 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:43,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:43,866 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,867 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,867 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,867 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,867 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,868 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:43,875 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:43,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43 WrapperNode [2023-11-12 00:00:43,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:43,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:43,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:43,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:43,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,959 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-12 00:00:43,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:43,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:43,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:43,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:43,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:43,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:43,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:43,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:43,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:43,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:43" (1/1) ... [2023-11-12 00:00:44,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:44,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:44,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:44,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:00:44,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:00:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:00:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:00:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:00:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:00:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:00:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:44,322 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:44,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:44,550 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:44,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:44,596 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:44,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:44 BoogieIcfgContainer [2023-11-12 00:00:44,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:44,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:44,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:44,609 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:44,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:44" (1/1) ... [2023-11-12 00:00:44,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-11-12 00:00:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-12 00:00:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:00:44,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-12 00:00:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-12 00:00:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:00:45,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-12 00:00:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-12 00:00:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:00:45,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:45,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-12 00:00:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-12 00:00:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:00:45,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-12 00:00:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-12 00:00:45,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:00:45,598 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-12 00:00:45,606 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-12 00:00:45,647 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:00:45,651 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:00:45,652 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:00:45,652 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:00:45,657 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:00:45,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:00:45 ImpRootNode [2023-11-12 00:00:45,657 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:00:45,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:00:45,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:00:45,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:00:45,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:44" (3/4) ... [2023-11-12 00:00:45,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:00:45,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:00:45,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:00:45,678 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-12 00:00:45,679 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:00:45,679 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:00:45,680 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:00:45,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:00:45,794 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:00:45,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:00:45,795 INFO L158 Benchmark]: Toolchain (without parser) took 3357.28ms. Allocated memory is still 186.6MB. Free memory was 137.2MB in the beginning and 140.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:45,795 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:45,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.24ms. Allocated memory is still 186.6MB. Free memory was 137.2MB in the beginning and 121.1MB in the end (delta: 16.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:45,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.19ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:45,796 INFO L158 Benchmark]: Boogie Preprocessor took 34.93ms. Allocated memory is still 186.6MB. Free memory was 117.9MB in the beginning and 116.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:45,797 INFO L158 Benchmark]: RCFGBuilder took 602.76ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 100.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:45,797 INFO L158 Benchmark]: CodeCheck took 1058.38ms. Allocated memory is still 186.6MB. Free memory was 100.1MB in the beginning and 146.1MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:45,798 INFO L158 Benchmark]: Witness Printer took 134.45ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 140.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:45,807 INFO L338 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, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 55 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1605]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.24ms. Allocated memory is still 186.6MB. Free memory was 137.2MB in the beginning and 121.1MB in the end (delta: 16.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.19ms. Allocated memory is still 186.6MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.93ms. Allocated memory is still 186.6MB. Free memory was 117.9MB in the beginning and 116.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.76ms. Allocated memory is still 186.6MB. Free memory was 116.9MB in the beginning and 100.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1058.38ms. Allocated memory is still 186.6MB. Free memory was 100.1MB in the beginning and 146.1MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 134.45ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 140.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:00:45,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42988f79-8745-48f4-9a3c-e95217f9d14a/bin/ukojak-verify-0OAaufAVZV/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