./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_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_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/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_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/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_8676de98-6b09-4202-a2d0-bd0824193e37/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 c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:48,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:48,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:56:48,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:48,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:48,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:48,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:48,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:48,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:48,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:48,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:48,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:48,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:48,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:48,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:48,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:48,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:48,550 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:48,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:48,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:48,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:48,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:48,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:48,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:48,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:48,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:48,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:48,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:48,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:48,556 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:48,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:48,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:48,558 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_8676de98-6b09-4202-a2d0-bd0824193e37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348 [2023-11-24 22:56:48,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:48,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:48,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:48,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:48,946 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:48,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i [2023-11-24 22:56:52,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:52,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:52,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i [2023-11-24 22:56:52,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/data/6a67d2c94/2d67d221a9e147a29778b7914039096c/FLAG754276405 [2023-11-24 22:56:52,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/data/6a67d2c94/2d67d221a9e147a29778b7914039096c [2023-11-24 22:56:52,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:52,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:52,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:52,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:52,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:52,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:52" (1/1) ... [2023-11-24 22:56:52,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563d38f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:52, skipping insertion in model container [2023-11-24 22:56:52,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:52" (1/1) ... [2023-11-24 22:56:52,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:53,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:53,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:53,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:53,946 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,946 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,946 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,947 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,947 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,955 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:53,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53 WrapperNode [2023-11-24 22:56:53,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:53,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:53,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:53,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:53,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,062 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-11-24 22:56:54,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:54,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:54,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:54,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:54,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:54,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:54,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:54,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:54,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:54,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:54,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:54,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:54,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:56:54,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:56:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:56:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:54,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:54,455 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:54,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:54,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:54,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:54,795 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:56:54,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:54 BoogieIcfgContainer [2023-11-24 22:56:54,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:54,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:54,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:54,809 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:54,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-24 22:56:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-24 22:56:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:54,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,208 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 22:56:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-24 22:56:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-24 22:56:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:55,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,503 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 22:56:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2023-11-24 22:56:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-24 22:56:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:55,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,717 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 22:56:55,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 67 transitions. [2023-11-24 22:56:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-11-24 22:56:55,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:55,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,890 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 22:56:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2023-11-24 22:56:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-24 22:56:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:55,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,993 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 22:56:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-24 22:56:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-24 22:56:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:56,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,110 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 22:56:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2023-11-24 22:56:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-24 22:56:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:56,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,292 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 22:56:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 58 transitions. [2023-11-24 22:56:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-24 22:56:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:56,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 69 transitions. [2023-11-24 22:56:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-24 22:56:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:56,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,979 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 22:56:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 77 transitions. [2023-11-24 22:56:57,127 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2023-11-24 22:56:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:57,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,216 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 22:56:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 72 transitions. [2023-11-24 22:56:57,420 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-24 22:56:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:57,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,488 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 22:56:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 73 transitions. [2023-11-24 22:56:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-24 22:56:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:57,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,583 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 22:56:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 78 transitions. [2023-11-24 22:56:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-24 22:56:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:57,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 81 transitions. [2023-11-24 22:56:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-11-24 22:56:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:57,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:56:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 88 transitions. [2023-11-24 22:56:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-24 22:56:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:58,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 89 transitions. [2023-11-24 22:56:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-24 22:56:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:58,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,745 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 22:56:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 90 transitions. [2023-11-24 22:56:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-11-24 22:56:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:56:58,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 84 transitions. [2023-11-24 22:56:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-24 22:56:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:56:59,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:56:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 56 transitions. [2023-11-24 22:56:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-11-24 22:56:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:59,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:57:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 60 transitions. [2023-11-24 22:57:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-24 22:57:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:57:00,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:57:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 65 transitions. [2023-11-24 22:57:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2023-11-24 22:57:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:57:00,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:57:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 60 states and 75 transitions. [2023-11-24 22:57:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-24 22:57:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:57:01,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:57:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 78 transitions. [2023-11-24 22:57:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-24 22:57:01,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:57:01,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:57:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 62 states and 79 transitions. [2023-11-24 22:57:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-24 22:57:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:57:02,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:57:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 63 states and 80 transitions. [2023-11-24 22:57:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-24 22:57:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:57:02,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:57:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 48 states and 56 transitions. [2023-11-24 22:57:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-24 22:57:03,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:57:03,017 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-24 22:57:03,026 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-24 22:57:03,155 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-24 22:57:03,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:03 ImpRootNode [2023-11-24 22:57:03,164 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:03,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:03,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:03,165 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:03,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:54" (3/4) ... [2023-11-24 22:57:03,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:57:03,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:57:03,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:57:03,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-24 22:57:03,177 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 22:57:03,178 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:57:03,178 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:57:03,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:57:03,294 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:57:03,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:03,295 INFO L158 Benchmark]: Toolchain (without parser) took 10684.37ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 68.3MB in the end (delta: 47.7MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,296 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 99.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.53ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 118.0MB in the end (delta: -2.7MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.11ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 114.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,297 INFO L158 Benchmark]: Boogie Preprocessor took 52.02ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,298 INFO L158 Benchmark]: RCFGBuilder took 681.36ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 94.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,298 INFO L158 Benchmark]: CodeCheck took 8366.08ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 74.6MB in the end (delta: 19.6MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,299 INFO L158 Benchmark]: Witness Printer took 129.87ms. Allocated memory is still 186.6MB. Free memory was 73.5MB in the beginning and 68.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,301 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, 50 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2269 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1010 mSDsluCounter, 1459 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 564 mSDsCounter, 908 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3607 IncrementalHoareTripleChecker+Invalid, 4515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 908 mSolverCounterUnsat, 895 mSDtfsCounter, 3607 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4269 GetRequests, 4136 SyntacticMatches, 9 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5408 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 540 ConstructedInterpolants, 0 QuantifiedInterpolants, 872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 97/104 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: 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: 1586]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 99.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.53ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 118.0MB in the end (delta: -2.7MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.11ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 114.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.02ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.36ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 94.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8366.08ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 74.6MB in the end (delta: 19.6MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 129.87ms. Allocated memory is still 186.6MB. Free memory was 73.5MB in the beginning and 68.3MB 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 22:57:03,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676de98-6b09-4202-a2d0-bd0824193e37/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