./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/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_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/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_58708475-847b-48d5-9ea5-450774da42b9/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 8d4a305149594eff1f42b32d8ace94496fc7321faccca31d695f0efbddd300a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:13,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:13,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:13:13,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:13,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:13,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:13,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:13,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:13,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:13,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:13,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:13,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:13,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:13,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:13,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:13,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:13,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:13,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:13,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:13,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:13,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:13,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:13,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:13,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:13,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:13,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:13,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:13,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:13,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:13,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:13,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:13,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:13,286 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_58708475-847b-48d5-9ea5-450774da42b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4a305149594eff1f42b32d8ace94496fc7321faccca31d695f0efbddd300a6 [2023-11-24 23:13:13,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:13,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:13,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:13,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:13,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:13,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i [2023-11-24 23:13:16,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:17,074 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:17,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i [2023-11-24 23:13:17,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/data/7e9a5ebad/e730d4254b24497bab324c2cf89ed29c/FLAG355eb7267 [2023-11-24 23:13:17,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/data/7e9a5ebad/e730d4254b24497bab324c2cf89ed29c [2023-11-24 23:13:17,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:17,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:17,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:17,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:17,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:17,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:17" (1/1) ... [2023-11-24 23:13:17,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8db3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:17, skipping insertion in model container [2023-11-24 23:13:17,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:17" (1/1) ... [2023-11-24 23:13:17,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:18,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:18,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:18,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:18,750 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,750 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,750 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,750 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,751 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:18,763 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:18,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18 WrapperNode [2023-11-24 23:13:18,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:18,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:18,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:18,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:18,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,843 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2023-11-24 23:13:18,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:18,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:18,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:18,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:18,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:18,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:18,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:18,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:18,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:18" (1/1) ... [2023-11-24 23:13:18,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:18,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:18,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:13:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:13:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:13:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:13:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:19,192 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:19,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:19,479 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:19,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:19,569 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:19,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19 BoogieIcfgContainer [2023-11-24 23:13:19,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:19,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:19,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:19,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:19,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19" (1/1) ... [2023-11-24 23:13:19,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 23:13:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 23:13:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:13:19,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:19,953 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 23:13:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-11-24 23:13:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:13:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:13:19,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,190 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 23:13:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-11-24 23:13:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 23:13:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:13:20,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,433 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 23:13:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 87 transitions. [2023-11-24 23:13:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-24 23:13:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:13:20,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,752 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 23:13:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 80 transitions. [2023-11-24 23:13:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 23:13:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:20,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,997 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 23:13:21,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 82 transitions. [2023-11-24 23:13:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:13:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:21,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:21,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:21,508 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 23:13:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 70 states and 93 transitions. [2023-11-24 23:13:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-24 23:13:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:21,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:21,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:21,919 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 23:13:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 97 transitions. [2023-11-24 23:13:22,205 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:13:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:22,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,343 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 23:13:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 104 transitions. [2023-11-24 23:13:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-24 23:13:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:22,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 97 transitions. [2023-11-24 23:13:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:13:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:22,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,606 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 23:13:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 96 transitions. [2023-11-24 23:13:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 23:13:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:22,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:22,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 92 transitions. [2023-11-24 23:13:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-24 23:13:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:23,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:23,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,137 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 23:13:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 94 transitions. [2023-11-24 23:13:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-24 23:13:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:23,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 92 transitions. [2023-11-24 23:13:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 23:13:23,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:23,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,799 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 23:13:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 59 states and 75 transitions. [2023-11-24 23:13:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:13:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:23,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:23,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 57 states and 72 transitions. [2023-11-24 23:13:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 23:13:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:13:23,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:23,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:24,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:24,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 59 states and 76 transitions. [2023-11-24 23:13:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 23:13:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:24,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 77 transitions. [2023-11-24 23:13:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 23:13:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:24,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 63 states and 82 transitions. [2023-11-24 23:13:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:13:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:24,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:24,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 73 states and 97 transitions. [2023-11-24 23:13:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 23:13:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:25,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:25,526 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 23:13:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 71 states and 93 transitions. [2023-11-24 23:13:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-24 23:13:25,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:13:25,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 68 states and 88 transitions. [2023-11-24 23:13:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-24 23:13:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:13:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 72 states and 92 transitions. [2023-11-24 23:13:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 23:13:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:13:27,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:13:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 70 states and 88 transitions. [2023-11-24 23:13:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-11-24 23:13:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:13:27,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 75 states and 96 transitions. [2023-11-24 23:13:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-24 23:13:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:13:27,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:13:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 76 states and 97 transitions. [2023-11-24 23:13:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2023-11-24 23:13:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:13:28,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:28,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:13:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 51 states and 63 transitions. [2023-11-24 23:13:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 23:13:28,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:13:28,226 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-24 23:13:28,239 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:13:28,607 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:13:28,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:28 ImpRootNode [2023-11-24 23:13:28,613 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:28,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:28,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:28,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:28,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:19" (3/4) ... [2023-11-24 23:13:28,617 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:13:28,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:13:28,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:13:28,628 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:13:28,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:13:28,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:13:28,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:28,631 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:28,761 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:13:28,762 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:13:28,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:28,764 INFO L158 Benchmark]: Toolchain (without parser) took 11613.63ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 87.4MB in the beginning and 158.2MB in the end (delta: -70.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,764 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:28,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1612.84ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 49.8MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.44ms. Allocated memory is still 132.1MB. Free memory was 49.8MB in the beginning and 46.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,766 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 132.1MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,767 INFO L158 Benchmark]: RCFGBuilder took 684.55ms. Allocated memory is still 132.1MB. Free memory was 45.1MB in the beginning and 87.4MB in the end (delta: -42.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,767 INFO L158 Benchmark]: CodeCheck took 9039.61ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 86.6MB in the beginning and 164.4MB in the end (delta: -77.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,768 INFO L158 Benchmark]: Witness Printer took 149.30ms. Allocated memory is still 218.1MB. Free memory was 164.4MB in the beginning and 158.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:28,770 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4440 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1929 mSDsluCounter, 4489 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1984 mSDsCounter, 1037 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4251 IncrementalHoareTripleChecker+Invalid, 5288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1037 mSolverCounterUnsat, 2505 mSDtfsCounter, 4251 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5988 GetRequests, 5833 SyntacticMatches, 13 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9178 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 633 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1612.84ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 49.8MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.44ms. Allocated memory is still 132.1MB. Free memory was 49.8MB in the beginning and 46.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 132.1MB. Free memory was 46.7MB in the beginning and 45.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 684.55ms. Allocated memory is still 132.1MB. Free memory was 45.1MB in the beginning and 87.4MB in the end (delta: -42.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 9039.61ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 86.6MB in the beginning and 164.4MB in the end (delta: -77.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 149.30ms. Allocated memory is still 218.1MB. Free memory was 164.4MB in the beginning and 158.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:13:28,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58708475-847b-48d5-9ea5-450774da42b9/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