./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_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_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/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_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/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_243dda86-cce2-4f6a-9d5d-e57945d07520/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 5d5c8c451beb9221ae3ccfb201911d5862963c40de0699ef2809344939376120 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:42,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:42,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:47:42,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:42,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:42,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:42,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:42,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:42,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:42,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:42,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:42,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:42,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:42,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:42,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:42,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:42,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:42,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:42,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:42,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:42,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:42,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:42,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:42,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:42,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:42,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:42,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:42,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:42,740 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:42,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:42,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:42,742 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_243dda86-cce2-4f6a-9d5d-e57945d07520/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d5c8c451beb9221ae3ccfb201911d5862963c40de0699ef2809344939376120 [2023-11-11 23:47:43,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:43,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:43,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:43,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:43,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:43,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i [2023-11-11 23:47:46,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:47,013 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:47,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i [2023-11-11 23:47:47,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/data/397fc63cf/2d19a5a051f24defac1e1fbf9db2da85/FLAG81f8c765e [2023-11-11 23:47:47,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/data/397fc63cf/2d19a5a051f24defac1e1fbf9db2da85 [2023-11-11 23:47:47,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:47,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:47,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:47,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:47,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:47,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:47" (1/1) ... [2023-11-11 23:47:47,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731363d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:47, skipping insertion in model container [2023-11-11 23:47:47,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:47" (1/1) ... [2023-11-11 23:47:47,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:47,650 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:48,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:48,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:48,401 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:48,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:48,739 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,739 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,740 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,740 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,740 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,740 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:48,750 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:48,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48 WrapperNode [2023-11-11 23:47:48,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:48,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:48,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:48,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:48,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,863 INFO L138 Inliner]: procedures = 502, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2023-11-11 23:47:48,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:48,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:48,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:48,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:48,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:48,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:48,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:48,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:48,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:48,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:48,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:48,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:47:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-11 23:47:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:47:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:47:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:47:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:49,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:49,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:49,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:49,524 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:49,524 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:47:49,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:49 BoogieIcfgContainer [2023-11-11 23:47:49,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:49,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:49,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:49,559 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:49,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:49" (1/1) ... [2023-11-11 23:47:49,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2023-11-11 23:47:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-11 23:47:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:47:49,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:49,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2023-11-11 23:47:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-11 23:47:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:47:50,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:50,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-11 23:47:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:47:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:47:50,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2023-11-11 23:47:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-11 23:47:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:47:51,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-11 23:47:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:47:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:47:51,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2023-11-11 23:47:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-11 23:47:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:47:51,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:47:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 85 transitions. [2023-11-11 23:47:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2023-11-11 23:47:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:47:51,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:47:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 72 transitions. [2023-11-11 23:47:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-11 23:47:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:47:51,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:47:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 71 transitions. [2023-11-11 23:47:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-11 23:47:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:47:52,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:52,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:47:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 70 transitions. [2023-11-11 23:47:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-11 23:47:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:47:52,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:47:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 69 transitions. [2023-11-11 23:47:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-11 23:47:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:47:52,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:47:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 68 transitions. [2023-11-11 23:47:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-11 23:47:52,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:47:52,726 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-11-11 23:47:52,738 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:47:52,827 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:47:52,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:47:52 ImpRootNode [2023-11-11 23:47:52,834 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:47:52,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:47:52,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:47:52,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:47:52,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:49" (3/4) ... [2023-11-11 23:47:52,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:47:52,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:47:52,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-11 23:47:52,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:47:52,864 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:47:52,864 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-11 23:47:52,865 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:47:52,865 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:47:52,866 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:47:53,051 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:47:53,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:47:53,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:47:53,054 INFO L158 Benchmark]: Toolchain (without parser) took 5957.50ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 127.6MB in the beginning and 85.9MB in the end (delta: 41.7MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,055 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:53,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1653.36ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 136.3MB in the end (delta: -8.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.18ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 133.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,056 INFO L158 Benchmark]: Boogie Preprocessor took 40.73ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 131.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,057 INFO L158 Benchmark]: RCFGBuilder took 622.24ms. Allocated memory is still 178.3MB. Free memory was 131.0MB in the beginning and 111.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,058 INFO L158 Benchmark]: CodeCheck took 3304.89ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 92.0MB in the end (delta: 19.1MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,058 INFO L158 Benchmark]: Witness Printer took 218.85ms. Allocated memory is still 213.9MB. Free memory was 92.0MB in the beginning and 85.9MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:47:53,061 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 4 procedures, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 806 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 518 IncrementalHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 576 mSDtfsCounter, 518 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2006 GetRequests, 1961 SyntacticMatches, 21 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 74/74 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1653.36ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 136.3MB in the end (delta: -8.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.18ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 133.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.73ms. Allocated memory is still 178.3MB. Free memory was 133.0MB in the beginning and 131.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.24ms. Allocated memory is still 178.3MB. Free memory was 131.0MB in the beginning and 111.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3304.89ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.1MB in the beginning and 92.0MB in the end (delta: 19.1MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 218.85ms. Allocated memory is still 213.9MB. Free memory was 92.0MB in the beginning and 85.9MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:47:53,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_243dda86-cce2-4f6a-9d5d-e57945d07520/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