./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC --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 c97cc1a04ee6dfa2839891d47fcb132b8d0ef4f17f26b448801c6c954078a367 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:42,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:42,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:24:42,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:42,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:42,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:42,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:42,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:42,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:42,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:42,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:42,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:42,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:42,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:42,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:42,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:42,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:42,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:42,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:42,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:42,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:42,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:42,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:42,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:42,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:42,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:42,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:42,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:42,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:42,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:42,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:42,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:42,256 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_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c97cc1a04ee6dfa2839891d47fcb132b8d0ef4f17f26b448801c6c954078a367 [2023-11-23 20:24:42,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:42,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:42,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:42,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:42,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:42,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i [2023-11-23 20:24:46,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:47,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:47,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_good.i [2023-11-23 20:24:47,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/data/2a7d5b916/9eb638e7ae624971ac8021ad1d4eeba7/FLAGea9e914f5 [2023-11-23 20:24:47,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/data/2a7d5b916/9eb638e7ae624971ac8021ad1d4eeba7 [2023-11-23 20:24:47,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:47,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:47,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:47,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:47,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:47,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:47" (1/1) ... [2023-11-23 20:24:47,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f576ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:47, skipping insertion in model container [2023-11-23 20:24:47,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:47" (1/1) ... [2023-11-23 20:24:47,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:47,577 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:48,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:48,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:48,152 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:48,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:48,462 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,463 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,463 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,463 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,464 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,464 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:48,472 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:48,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48 WrapperNode [2023-11-23 20:24:48,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:48,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:48,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:48,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:48,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,551 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-23 20:24:48,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:48,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:48,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:48,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:48,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:48,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:48,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:48,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:48,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:48" (1/1) ... [2023-11-23 20:24:48,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:48,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:48,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:48,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:48,678 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:24:48,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:24:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:24:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:24:48,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:24:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:24:48,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:24:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:48,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:24:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:24:48,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:48,835 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:48,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:49,047 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:49,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:49,098 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:24:49,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:49 BoogieIcfgContainer [2023-11-23 20:24:49,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:49,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:49,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:49,112 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:49,112 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:49" (1/1) ... [2023-11-23 20:24:49,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-23 20:24:49,175 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-23 20:24:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:24:49,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:49,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-23 20:24:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:24:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:24:49,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 75 transitions. [2023-11-23 20:24:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-23 20:24:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:24:49,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-23 20:24:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-23 20:24:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:24:50,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 74 transitions. [2023-11-23 20:24:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-23 20:24:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:24:50,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 76 transitions. [2023-11-23 20:24:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:24:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:24:50,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:50,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:51,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 86 transitions. [2023-11-23 20:24:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-23 20:24:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:24:51,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:51,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:51,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 80 transitions. [2023-11-23 20:24:51,560 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-23 20:24:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:24:51,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2023-11-23 20:24:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-23 20:24:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:24:51,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 87 transitions. [2023-11-23 20:24:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-23 20:24:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:24:52,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:52,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2023-11-23 20:24:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-23 20:24:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:24:52,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:24:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 88 transitions. [2023-11-23 20:24:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:24:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:24:52,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:52,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 90 transitions. [2023-11-23 20:24:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-23 20:24:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:24:52,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 88 transitions. [2023-11-23 20:24:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-23 20:24:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:24:53,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 86 transitions. [2023-11-23 20:24:53,318 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-23 20:24:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:24:53,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:53,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 67 transitions. [2023-11-23 20:24:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-23 20:24:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:24:53,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 71 transitions. [2023-11-23 20:24:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-23 20:24:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:24:53,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 76 transitions. [2023-11-23 20:24:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:24:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:24:54,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:54,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:24:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 90 transitions. [2023-11-23 20:24:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-23 20:24:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:24:55,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 94 transitions. [2023-11-23 20:24:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-23 20:24:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:55,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:24:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 98 transitions. [2023-11-23 20:24:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-23 20:24:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:55,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2023-11-23 20:24:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-23 20:24:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:24:56,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:56,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:24:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 92 transitions. [2023-11-23 20:24:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-23 20:24:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:56,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:56,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 73 states and 96 transitions. [2023-11-23 20:24:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-23 20:24:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:24:57,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:57,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 102 transitions. [2023-11-23 20:24:58,304 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-23 20:24:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:24:58,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:58,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:24:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 60 transitions. [2023-11-23 20:24:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:24:58,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:24:58,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:58,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 47 states and 59 transitions. [2023-11-23 20:24:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-23 20:24:59,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:24:59,655 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-23 20:24:59,665 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:25:00,002 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:00,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:25:00 ImpRootNode [2023-11-23 20:25:00,007 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:25:00,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:25:00,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:25:00,009 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:25:00,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:49" (3/4) ... [2023-11-23 20:25:00,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:25:00,015 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:25:00,015 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:25:00,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:25:00,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:25:00,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:25:00,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:00,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:00,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:25:00,185 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:25:00,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:25:00,186 INFO L158 Benchmark]: Toolchain (without parser) took 13130.27ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 109.9MB in the beginning and 86.5MB in the end (delta: 23.4MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,186 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:00,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1417.59ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 109.9MB in the beginning and 137.4MB in the end (delta: -27.5MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.23ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 134.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,188 INFO L158 Benchmark]: Boogie Preprocessor took 47.66ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,188 INFO L158 Benchmark]: RCFGBuilder took 498.84ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 113.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,189 INFO L158 Benchmark]: CodeCheck took 10906.94ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 92.8MB in the end (delta: 20.5MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,189 INFO L158 Benchmark]: Witness Printer took 177.37ms. Allocated memory is still 213.9MB. Free memory was 92.8MB in the beginning and 86.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:25:00,191 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4048 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1615 mSDsluCounter, 3668 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1422 mSDsCounter, 1192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4601 IncrementalHoareTripleChecker+Invalid, 5793 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1192 mSolverCounterUnsat, 2246 mSDtfsCounter, 4601 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6205 GetRequests, 6007 SyntacticMatches, 14 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15627 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1417.59ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 109.9MB in the beginning and 137.4MB in the end (delta: -27.5MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.23ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 134.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.66ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.84ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 113.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10906.94ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 92.8MB in the end (delta: 20.5MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 177.37ms. Allocated memory is still 213.9MB. Free memory was 92.8MB in the beginning and 86.5MB 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! [2023-11-23 20:25:00,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68bcf7d-9051-4835-8e13-1f620a04f337/bin/ukojak-verify-1t5iHCbJaC/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