./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:05,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:05,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:01:05,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:05,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:05,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:05,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:05,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:05,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:05,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:05,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:05,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:05,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:05,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:05,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:05,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:05,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:05,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:05,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:05,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:05,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:05,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:05,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:05,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:05,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:05,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:05,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:05,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:05,579 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:05,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:05,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:05,581 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_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2023-11-12 00:01:05,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:05,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:05,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:05,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:05,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:05,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-11-12 00:01:09,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:09,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:09,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-11-12 00:01:09,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/data/749a22901/aa84eaffcbe84d978259ba5b484cab61/FLAG98a05be43 [2023-11-12 00:01:09,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/data/749a22901/aa84eaffcbe84d978259ba5b484cab61 [2023-11-12 00:01:09,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:09,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:09,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:09,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:09,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:09,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b06258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09, skipping insertion in model container [2023-11-12 00:01:09,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:10,163 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:11,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:11,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:11,116 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:01:11,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:11,517 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,518 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,518 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,518 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,518 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,519 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:11,527 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:11,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11 WrapperNode [2023-11-12 00:01:11,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:11,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:11,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:11,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:11,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,642 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-11-12 00:01:11,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:11,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:11,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:11,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:11,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:11,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:11,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:11,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:11,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:11,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:11,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:11,823 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:01:11,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:01:11,824 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:01:11,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:01:11,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:01:11,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:11,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:01:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:11,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:11,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:01:11,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:12,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:12,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:12,395 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:12,466 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:12,467 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:01:12,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:12 BoogieIcfgContainer [2023-11-12 00:01:12,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:12,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:12,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:12,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:12,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:12" (1/1) ... [2023-11-12 00:01:12,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-12 00:01:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-12 00:01:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:01:12,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-12 00:01:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-12 00:01:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:01:13,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-12 00:01:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-12 00:01:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:01:13,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-12 00:01:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-12 00:01:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:01:13,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-12 00:01:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-12 00:01:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:01:13,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-12 00:01:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-12 00:01:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:01:13,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-12 00:01:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-12 00:01:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:01:13,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:13,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-12 00:01:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-12 00:01:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:01:14,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-12 00:01:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-12 00:01:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:14,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-12 00:01:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-12 00:01:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:01:14,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-12 00:01:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-12 00:01:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:01:14,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 99 transitions. [2023-11-12 00:01:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-12 00:01:14,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:01:14,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-12 00:01:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-12 00:01:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:01:14,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 120 transitions. [2023-11-12 00:01:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2023-11-12 00:01:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:01:14,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:14,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 119 transitions. [2023-11-12 00:01:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2023-11-12 00:01:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:01:15,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 112 transitions. [2023-11-12 00:01:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-11-12 00:01:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:01:15,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 110 transitions. [2023-11-12 00:01:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-12 00:01:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:01:15,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 111 transitions. [2023-11-12 00:01:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2023-11-12 00:01:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:01:15,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 114 transitions. [2023-11-12 00:01:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-12 00:01:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:01:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 113 transitions. [2023-11-12 00:01:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2023-11-12 00:01:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:01:15,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:01:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 112 transitions. [2023-11-12 00:01:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2023-11-12 00:01:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:01:15,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:15,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 107 transitions. [2023-11-12 00:01:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-12 00:01:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:01:16,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 80 states and 114 transitions. [2023-11-12 00:01:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-12 00:01:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:01:16,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 84 states and 118 transitions. [2023-11-12 00:01:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-11-12 00:01:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:01:16,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:16,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:01:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 72 transitions. [2023-11-12 00:01:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-12 00:01:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 00:01:16,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 55 states and 71 transitions. [2023-11-12 00:01:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-12 00:01:17,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:01:17,215 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-12 00:01:17,232 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-12 00:01:17,566 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:01:17,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:01:17 ImpRootNode [2023-11-12 00:01:17,571 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:01:17,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:01:17,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:01:17,572 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:01:17,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:12" (3/4) ... [2023-11-12 00:01:17,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:01:17,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:01:17,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:01:17,585 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 00:01:17,586 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 00:01:17,586 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:01:17,587 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:01:17,587 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:01:17,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:01:17,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:01:17,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:01:17,703 INFO L158 Benchmark]: Toolchain (without parser) took 8129.17ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 118.4MB in the beginning and 68.3MB in the end (delta: 50.1MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,703 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:17,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1951.61ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.3MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.51ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 110.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,705 INFO L158 Benchmark]: Boogie Preprocessor took 47.06ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,705 INFO L158 Benchmark]: RCFGBuilder took 781.35ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 88.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,706 INFO L158 Benchmark]: CodeCheck took 5097.26ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 88.0MB in the beginning and 74.6MB in the end (delta: 13.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,706 INFO L158 Benchmark]: Witness Printer took 130.43ms. Allocated memory is still 228.6MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:17,708 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: 4.7s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4104 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1717 mSDsluCounter, 4023 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1797 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2994 IncrementalHoareTripleChecker+Invalid, 3824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 2226 mSDtfsCounter, 2994 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5612 GetRequests, 5536 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1985 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 0.36ms. Allocated memory is still 132.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1951.61ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.3MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.51ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 110.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.06ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.35ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 88.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5097.26ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 88.0MB in the beginning and 74.6MB in the end (delta: 13.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 130.43ms. Allocated memory is still 228.6MB. Free memory was 74.6MB in the beginning and 68.3MB 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! [2023-11-12 00:01:17,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d41ea40-6be1-47aa-b69d-40708bac2a12/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE