./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:21,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:21,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:10:21,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:21,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:21,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:21,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:21,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:21,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:21,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:21,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:21,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:22,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:22,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:22,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:22,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:22,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:22,003 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:22,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:22,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:22,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:22,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:22,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:22,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:22,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:22,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:22,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:22,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:22,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:22,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:22,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:22,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:22,012 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_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e [2023-11-24 23:10:22,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:22,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:22,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:22,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:22,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:22,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2023-11-24 23:10:25,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:25,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:25,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2023-11-24 23:10:25,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/data/342f5c413/a3266b257e9f4042a41458a71e0f3225/FLAGb64730ced [2023-11-24 23:10:25,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/data/342f5c413/a3266b257e9f4042a41458a71e0f3225 [2023-11-24 23:10:25,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:25,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:25,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:25,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:25,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:25,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:25" (1/1) ... [2023-11-24 23:10:25,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb6aa61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:25, skipping insertion in model container [2023-11-24 23:10:25,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:25" (1/1) ... [2023-11-24 23:10:26,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:27,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:27,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:27,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:27,739 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:27,739 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:27,740 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:27,740 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:27,740 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:27,749 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:27,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27 WrapperNode [2023-11-24 23:10:27,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:27,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:27,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:27,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:27,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,827 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2023-11-24 23:10:27,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:27,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:27,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:27,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:27,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:27,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:27,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:27,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:27,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:27,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:27,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:27,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:10:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:10:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:10:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:10:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:28,155 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:28,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:28,410 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:28,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:28,482 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:28,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:28 BoogieIcfgContainer [2023-11-24 23:10:28,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:28,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:28,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:28,498 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:28,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:28" (1/1) ... [2023-11-24 23:10:28,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-11-24 23:10:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-24 23:10:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:10:28,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 90 transitions. [2023-11-24 23:10:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-24 23:10:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:28,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 89 transitions. [2023-11-24 23:10:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-24 23:10:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:29,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 88 transitions. [2023-11-24 23:10:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-24 23:10:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:29,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 98 transitions. [2023-11-24 23:10:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 23:10:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:10:29,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 23:10:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 23:10:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:10:29,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 99 transitions. [2023-11-24 23:10:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-24 23:10:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:10:30,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 98 transitions. [2023-11-24 23:10:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 23:10:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:10:30,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 23:10:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 23:10:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:30,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 105 transitions. [2023-11-24 23:10:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-24 23:10:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:30,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 111 transitions. [2023-11-24 23:10:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:10:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:30,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 117 transitions. [2023-11-24 23:10:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-11-24 23:10:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:10:30,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 111 transitions. [2023-11-24 23:10:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:10:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:10:30,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:30,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 110 transitions. [2023-11-24 23:10:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2023-11-24 23:10:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:10:31,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 125 transitions. [2023-11-24 23:10:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-11-24 23:10:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:10:31,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 123 transitions. [2023-11-24 23:10:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-24 23:10:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:10:31,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 115 transitions. [2023-11-24 23:10:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-24 23:10:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:10:31,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 111 transitions. [2023-11-24 23:10:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:10:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:10:31,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 113 transitions. [2023-11-24 23:10:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-11-24 23:10:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:10:31,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 112 transitions. [2023-11-24 23:10:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-24 23:10:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:10:31,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 111 transitions. [2023-11-24 23:10:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2023-11-24 23:10:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:10:31,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 115 transitions. [2023-11-24 23:10:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-11-24 23:10:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:10:32,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:32,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 122 transitions. [2023-11-24 23:10:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-24 23:10:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:32,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 105 transitions. [2023-11-24 23:10:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-11-24 23:10:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:32,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 76 transitions. [2023-11-24 23:10:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 23:10:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:33,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:33,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 59 states and 75 transitions. [2023-11-24 23:10:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:10:33,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:10:33,600 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-24 23:10:33,613 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:10:33,932 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:33,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:33 ImpRootNode [2023-11-24 23:10:33,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:33,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:33,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:33,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:33,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:28" (3/4) ... [2023-11-24 23:10:33,943 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:10:33,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:10:33,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:10:33,956 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:10:33,957 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:10:33,957 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:10:33,958 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:33,958 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:34,112 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:10:34,112 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:10:34,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:34,113 INFO L158 Benchmark]: Toolchain (without parser) took 8154.83ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 123.2MB in the beginning and 172.2MB in the end (delta: -49.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:34,113 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 145.9MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:34,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1788.25ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 123.2MB in the beginning and 187.1MB in the end (delta: -63.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:34,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.86ms. Allocated memory is still 234.9MB. Free memory was 187.1MB in the beginning and 184.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:34,115 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 234.9MB. Free memory was 184.0MB in the beginning and 182.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:34,115 INFO L158 Benchmark]: RCFGBuilder took 615.66ms. Allocated memory is still 234.9MB. Free memory was 182.9MB in the beginning and 162.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:34,115 INFO L158 Benchmark]: CodeCheck took 5452.99ms. Allocated memory is still 234.9MB. Free memory was 162.0MB in the beginning and 178.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:34,116 INFO L158 Benchmark]: Witness Printer took 173.33ms. Allocated memory is still 234.9MB. Free memory was 178.5MB in the beginning and 172.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:10:34,119 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, 67 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4486 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 4434 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1962 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3025 IncrementalHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 2472 mSDtfsCounter, 3025 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5470 GetRequests, 5388 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2382 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 1200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 145.9MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1788.25ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 123.2MB in the beginning and 187.1MB in the end (delta: -63.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.86ms. Allocated memory is still 234.9MB. Free memory was 187.1MB in the beginning and 184.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.89ms. Allocated memory is still 234.9MB. Free memory was 184.0MB in the beginning and 182.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 615.66ms. Allocated memory is still 234.9MB. Free memory was 182.9MB in the beginning and 162.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5452.99ms. Allocated memory is still 234.9MB. Free memory was 162.0MB in the beginning and 178.5MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 173.33ms. Allocated memory is still 234.9MB. Free memory was 178.5MB in the beginning and 172.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:10:34,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16384957-ee14-4a89-b0a1-2b29c9f74c61/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE