./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi --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 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:54,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:54,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:53:54,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:54,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:54,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:54,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:54,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:54,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:54,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:54,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:54,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:54,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:54,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:54,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:54,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:54,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:54,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:55,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:55,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:55,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:55,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:55,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:55,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:55,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:55,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:55,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:55,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:55,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:55,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:55,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:55,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:55,025 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_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac [2023-11-24 22:53:55,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:55,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:55,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:55,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:55,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:55,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2023-11-24 22:53:58,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:59,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:59,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2023-11-24 22:53:59,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/data/bbdf7f90e/eed09f3f1d03426ca5e32abc2e69897e/FLAG2d3487993 [2023-11-24 22:53:59,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/data/bbdf7f90e/eed09f3f1d03426ca5e32abc2e69897e [2023-11-24 22:53:59,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:59,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:59,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:59,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:59,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:59,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:59" (1/1) ... [2023-11-24 22:53:59,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d46dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:59, skipping insertion in model container [2023-11-24 22:53:59,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:59" (1/1) ... [2023-11-24 22:53:59,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:00,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:00,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:00,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:00,755 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:00,756 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:00,756 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:00,756 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:00,756 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:00,765 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:00,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00 WrapperNode [2023-11-24 22:54:00,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:00,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:00,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:00,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:00,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,859 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2023-11-24 22:54:00,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:00,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:00,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:00,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:00,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:00,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:00,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:00,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:00,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:00,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:01,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:54:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:54:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:54:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:54:01,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:54:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:54:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:01,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:54:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:01,233 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:01,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:01,425 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:01,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:01,497 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:54:01,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:01 BoogieIcfgContainer [2023-11-24 22:54:01,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:01,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:01,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:01,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:01,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:01" (1/1) ... [2023-11-24 22:54:01,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2023-11-24 22:54:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-24 22:54:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:01,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2023-11-24 22:54:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-24 22:54:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:02,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2023-11-24 22:54:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-24 22:54:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:02,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2023-11-24 22:54:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-24 22:54:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:02,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2023-11-24 22:54:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-24 22:54:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:02,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2023-11-24 22:54:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-24 22:54:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:02,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 64 transitions. [2023-11-24 22:54:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-24 22:54:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:02,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 63 transitions. [2023-11-24 22:54:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-24 22:54:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:03,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 69 transitions. [2023-11-24 22:54:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-24 22:54:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:03,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 68 transitions. [2023-11-24 22:54:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-24 22:54:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:03,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 69 transitions. [2023-11-24 22:54:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-24 22:54:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:03,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 73 transitions. [2023-11-24 22:54:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-24 22:54:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:03,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 76 transitions. [2023-11-24 22:54:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 22:54:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:03,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 61 states and 77 transitions. [2023-11-24 22:54:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-24 22:54:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:03,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 78 transitions. [2023-11-24 22:54:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-24 22:54:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:04,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 62 transitions. [2023-11-24 22:54:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-24 22:54:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:04,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 56 transitions. [2023-11-24 22:54:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-24 22:54:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:04,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 51 states and 61 transitions. [2023-11-24 22:54:04,969 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-24 22:54:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:04,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 62 transitions. [2023-11-24 22:54:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-24 22:54:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:54:05,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 74 transitions. [2023-11-24 22:54:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-24 22:54:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:05,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 76 transitions. [2023-11-24 22:54:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-24 22:54:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:54:05,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:54:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 81 transitions. [2023-11-24 22:54:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 81 transitions. [2023-11-24 22:54:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:54:05,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:54:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:06,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 45 states and 51 transitions. [2023-11-24 22:54:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-24 22:54:06,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:54:06,259 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-11-24 22:54:06,268 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-24 22:54:06,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:54:06,389 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-24 22:54:06,391 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:54:06,392 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:54:06,392 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:54:06,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:06 ImpRootNode [2023-11-24 22:54:06,394 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:06,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:06,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:06,411 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:06,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:01" (3/4) ... [2023-11-24 22:54:06,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:54:06,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:54:06,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:54:06,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-24 22:54:06,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 22:54:06,427 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:54:06,427 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:54:06,543 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:54:06,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:54:06,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:06,545 INFO L158 Benchmark]: Toolchain (without parser) took 7454.68ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 154.6MB in the beginning and 182.7MB in the end (delta: -28.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,546 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:06,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1673.48ms. Allocated memory is still 184.5MB. Free memory was 153.7MB in the beginning and 91.7MB in the end (delta: 62.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.85ms. Allocated memory is still 184.5MB. Free memory was 91.7MB in the beginning and 87.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,547 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 184.5MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,548 INFO L158 Benchmark]: RCFGBuilder took 602.22ms. Allocated memory is still 184.5MB. Free memory was 86.6MB in the beginning and 135.6MB in the end (delta: -49.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,548 INFO L158 Benchmark]: CodeCheck took 4909.85ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 135.6MB in the beginning and 187.9MB in the end (delta: -52.3MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,549 INFO L158 Benchmark]: Witness Printer took 133.59ms. Allocated memory is still 222.3MB. Free memory was 187.9MB in the beginning and 182.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:06,551 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, 53 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1628 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 638 mSDsluCounter, 996 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 330 mSDsCounter, 575 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2181 IncrementalHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 575 mSolverCounterUnsat, 666 mSDtfsCounter, 2181 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3345 GetRequests, 3273 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 55/59 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 102.5MB in the beginning and 102.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1673.48ms. Allocated memory is still 184.5MB. Free memory was 153.7MB in the beginning and 91.7MB in the end (delta: 62.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.85ms. Allocated memory is still 184.5MB. Free memory was 91.7MB in the beginning and 87.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 184.5MB. Free memory was 87.9MB in the beginning and 86.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.22ms. Allocated memory is still 184.5MB. Free memory was 86.6MB in the beginning and 135.6MB in the end (delta: -49.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 4909.85ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 135.6MB in the beginning and 187.9MB in the end (delta: -52.3MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. * Witness Printer took 133.59ms. Allocated memory is still 222.3MB. Free memory was 187.9MB in the beginning and 182.7MB 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! [2023-11-24 22:54:06,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b114114-ad56-4d2f-aa46-04cde8fca066/bin/ukojak-verify-afCqCEvfdi/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