./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2 --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 bd01cd0f3337d5423eb0d602e9bac3553754d9a94509bab118366c083103808a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:20,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:20,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:36:20,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:20,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:20,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:20,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:20,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:20,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:20,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:20,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:20,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:20,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:20,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:20,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:20,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:20,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:20,731 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:20,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:20,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:20,733 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:20,734 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:20,734 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:20,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:20,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:20,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:20,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:20,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:20,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:20,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:20,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:20,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:20,739 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_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd01cd0f3337d5423eb0d602e9bac3553754d9a94509bab118366c083103808a [2023-11-21 18:36:21,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:21,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:21,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:21,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:21,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:21,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i [2023-11-21 18:36:24,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:24,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:24,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_04_good.i [2023-11-21 18:36:24,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/data/d29a0bafd/25402218887447c3a9811640c87b888a/FLAG353fb99f0 [2023-11-21 18:36:24,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/data/d29a0bafd/25402218887447c3a9811640c87b888a [2023-11-21 18:36:24,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:24,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:24,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:24,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:24,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:24,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:24,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8b19a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24, skipping insertion in model container [2023-11-21 18:36:24,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:25,517 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:26,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:26,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:26,286 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:26,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:26,532 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,532 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,533 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,533 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,533 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,533 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:26,543 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:26,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26 WrapperNode [2023-11-21 18:36:26,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:26,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:26,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:26,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:26,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,623 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-21 18:36:26,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:26,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:26,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:26,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:26,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:26,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:26,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:26,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:26,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:26" (1/1) ... [2023-11-21 18:36:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:26,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:26,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:26,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:36:26,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:36:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:36:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:36:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:36:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:36:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:26,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:36:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:27,045 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:27,048 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:27,322 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:27,379 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:27,380 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:27,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:27 BoogieIcfgContainer [2023-11-21 18:36:27,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:27,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:27,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:27,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:27,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:27" (1/1) ... [2023-11-21 18:36:27,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-21 18:36:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-21 18:36:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:27,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-21 18:36:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-21 18:36:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:27,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-21 18:36:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-21 18:36:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:28,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-21 18:36:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-21 18:36:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:36:28,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-21 18:36:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-21 18:36:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:28,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-21 18:36:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-21 18:36:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:36:28,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:28,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-21 18:36:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-21 18:36:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:29,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-21 18:36:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-21 18:36:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:29,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-21 18:36:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-21 18:36:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:29,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-21 18:36:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-21 18:36:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:29,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-21 18:36:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-21 18:36:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:29,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 94 transitions. [2023-11-21 18:36:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-11-21 18:36:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:29,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 110 transitions. [2023-11-21 18:36:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-21 18:36:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:30,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-21 18:36:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-21 18:36:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:30,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 114 transitions. [2023-11-21 18:36:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-11-21 18:36:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:36:30,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 107 transitions. [2023-11-21 18:36:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-21 18:36:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:36:30,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 105 transitions. [2023-11-21 18:36:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-21 18:36:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:30,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 106 transitions. [2023-11-21 18:36:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2023-11-21 18:36:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:30,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 109 transitions. [2023-11-21 18:36:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-21 18:36:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:31,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 108 transitions. [2023-11-21 18:36:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2023-11-21 18:36:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:31,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:36:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 107 transitions. [2023-11-21 18:36:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-21 18:36:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:36:31,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 102 transitions. [2023-11-21 18:36:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-11-21 18:36:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:31,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 101 transitions. [2023-11-21 18:36:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-21 18:36:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:32,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 105 transitions. [2023-11-21 18:36:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-11-21 18:36:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:32,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:36:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 55 states and 71 transitions. [2023-11-21 18:36:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-21 18:36:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:32,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 60 states and 77 transitions. [2023-11-21 18:36:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-21 18:36:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:33,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 51 states and 65 transitions. [2023-11-21 18:36:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-21 18:36:33,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:36:33,706 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-21 18:36:33,718 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:36:34,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:36:34,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:36:34 ImpRootNode [2023-11-21 18:36:34,151 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:36:34,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:36:34,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:36:34,152 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:36:34,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:27" (3/4) ... [2023-11-21 18:36:34,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:36:34,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:36:34,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:36:34,174 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 18:36:34,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:36:34,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:36:34,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:36:34,176 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:36:34,333 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:36:34,333 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:36:34,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:36:34,335 INFO L158 Benchmark]: Toolchain (without parser) took 9439.93ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.8MB in the beginning and 148.5MB in the end (delta: -18.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,335 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 92.2MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:34,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1647.41ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 123.2MB in the end (delta: 6.6MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.84ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 120.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,337 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:34,337 INFO L158 Benchmark]: RCFGBuilder took 718.01ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 98.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,338 INFO L158 Benchmark]: CodeCheck took 6768.56ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 98.8MB in the beginning and 154.7MB in the end (delta: -56.0MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,338 INFO L158 Benchmark]: Witness Printer took 181.69ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 148.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,341 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4270 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1753 mSDsluCounter, 4112 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1809 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3046 IncrementalHoareTripleChecker+Invalid, 3893 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 2303 mSDtfsCounter, 3046 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5893 GetRequests, 5805 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2802 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 48/48 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 92.2MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1647.41ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 123.2MB in the end (delta: 6.6MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.84ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 120.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 118.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.01ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 98.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6768.56ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 98.8MB in the beginning and 154.7MB in the end (delta: -56.0MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 181.69ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 148.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:36:34,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c53938-b8ee-4216-83fc-144dad55e339/bin/ukojak-verify-i0I2FZA1j2/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