./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_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_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/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_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/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_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/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 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:34,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:34,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:54:34,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:34,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:34,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:34,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:34,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:34,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:34,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:34,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:34,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:34,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:34,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:34,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:34,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:34,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:34,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:34,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:34,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:34,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:34,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:34,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:34,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:34,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:34,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:34,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:34,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:34,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:34,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:34,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:34,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:34,298 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_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b10dfd14acd142646ae09b1206340a51cf97e581041b12557b145a3b0996b7 [2023-11-24 22:54:34,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:34,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:34,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:34,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:34,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:34,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i [2023-11-24 22:54:37,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:38,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:38,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_05_good.i [2023-11-24 22:54:38,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/data/0c0e38f04/d93beb9b13524da69ba4b7cd5b7dfe4c/FLAG9d146abae [2023-11-24 22:54:38,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/data/0c0e38f04/d93beb9b13524da69ba4b7cd5b7dfe4c [2023-11-24 22:54:38,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:38,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:38,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:38,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:38,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:38,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34040207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:38, skipping insertion in model container [2023-11-24 22:54:38,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:38" (1/1) ... [2023-11-24 22:54:38,542 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:39,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:39,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:39,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:39,980 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:39,981 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:39,982 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:39,982 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:39,982 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:39,990 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:39,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39 WrapperNode [2023-11-24 22:54:39,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:39,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:39,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:39,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:39,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,073 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2023-11-24 22:54:40,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:40,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:40,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:40,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:40,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:40,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:40,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:40,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:40,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:39" (1/1) ... [2023-11-24 22:54:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:40,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:40,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:40,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:54:40,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:54:40,201 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:54:40,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:40,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:54:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:40,360 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:40,362 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:40,592 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:40,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:40,696 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:40,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:40 BoogieIcfgContainer [2023-11-24 22:54:40,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:40,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:40,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:40,713 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:40,713 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:40" (1/1) ... [2023-11-24 22:54:40,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 22:54:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 22:54:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:40,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-11-24 22:54:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:54:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:41,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-11-24 22:54:41,402 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 22:54:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:41,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 87 transitions. [2023-11-24 22:54:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-24 22:54:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:41,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 80 transitions. [2023-11-24 22:54:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 22:54:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:54:41,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 82 transitions. [2023-11-24 22:54:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:54:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:42,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 70 states and 93 transitions. [2023-11-24 22:54:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-24 22:54:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:42,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 97 transitions. [2023-11-24 22:54:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 22:54:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:43,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 104 transitions. [2023-11-24 22:54:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-24 22:54:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:43,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,350 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 22:54:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 97 transitions. [2023-11-24 22:54:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 22:54:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:43,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 96 transitions. [2023-11-24 22:54:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 22:54:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:43,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,609 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 22:54:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 92 transitions. [2023-11-24 22:54:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-24 22:54:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:43,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 94 transitions. [2023-11-24 22:54:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-24 22:54:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:44,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,128 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 22:54:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 92 transitions. [2023-11-24 22:54:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 22:54:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:44,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 59 states and 75 transitions. [2023-11-24 22:54:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 22:54:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:44,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,453 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 22:54:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 57 states and 72 transitions. [2023-11-24 22:54:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 22:54:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:44,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,637 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 22:54:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 59 states and 76 transitions. [2023-11-24 22:54:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 22:54:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:54:44,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,754 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 22:54:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 77 transitions. [2023-11-24 22:54:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-24 22:54:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:44,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,820 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 22:54:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 63 states and 82 transitions. [2023-11-24 22:54:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:54:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:44,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:54:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 73 states and 97 transitions. [2023-11-24 22:54:45,542 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 22:54:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:45,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 71 states and 93 transitions. [2023-11-24 22:54:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-24 22:54:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:54:45,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,931 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 22:54:46,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 68 states and 88 transitions. [2023-11-24 22:54:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-24 22:54:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:54:46,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,297 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 22:54:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 72 states and 92 transitions. [2023-11-24 22:54:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 22:54:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:46,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:54:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 70 states and 88 transitions. [2023-11-24 22:54:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-11-24 22:54:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:46,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,955 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 22:54:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 75 states and 96 transitions. [2023-11-24 22:54:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-24 22:54:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:54:47,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,143 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 22:54:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 76 states and 97 transitions. [2023-11-24 22:54:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2023-11-24 22:54:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:54:47,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:54:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 51 states and 63 transitions. [2023-11-24 22:54:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 22:54:47,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:54:47,266 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-24 22:54:47,276 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:54:47,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:54:47,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:47 ImpRootNode [2023-11-24 22:54:47,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:47,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:47,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:47,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:47,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:40" (3/4) ... [2023-11-24 22:54:47,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:54:47,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:54:47,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:54:47,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 22:54:47,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:54:47,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:54:47,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:54:47,645 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:54:47,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:54:47,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:54:47,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:47,760 INFO L158 Benchmark]: Toolchain (without parser) took 9313.97ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 95.1MB in the beginning and 103.5MB in the end (delta: -8.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,761 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:47,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.91ms. Allocated memory is still 134.2MB. Free memory was 94.7MB in the beginning and 76.7MB in the end (delta: 18.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.17ms. Allocated memory is still 134.2MB. Free memory was 76.7MB in the beginning and 73.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,762 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:47,762 INFO L158 Benchmark]: RCFGBuilder took 591.13ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 99.0MB in the end (delta: -27.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,763 INFO L158 Benchmark]: CodeCheck took 6927.80ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 99.0MB in the beginning and 109.8MB in the end (delta: -10.8MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,763 INFO L158 Benchmark]: Witness Printer took 130.34ms. Allocated memory is still 195.0MB. Free memory was 109.8MB in the beginning and 103.5MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:47,765 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4556 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2045 mSDsluCounter, 4545 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2012 mSDsCounter, 921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4195 IncrementalHoareTripleChecker+Invalid, 5116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 921 mSolverCounterUnsat, 2533 mSDtfsCounter, 4195 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5980 GetRequests, 5841 SyntacticMatches, 13 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7707 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 633 ConstructedInterpolants, 0 QuantifiedInterpolants, 1357 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: 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: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.91ms. Allocated memory is still 134.2MB. Free memory was 94.7MB in the beginning and 76.7MB in the end (delta: 18.1MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.17ms. Allocated memory is still 134.2MB. Free memory was 76.7MB in the beginning and 73.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 134.2MB. Free memory was 73.2MB in the beginning and 71.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.13ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 99.0MB in the end (delta: -27.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 6927.80ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 99.0MB in the beginning and 109.8MB in the end (delta: -10.8MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 130.34ms. Allocated memory is still 195.0MB. Free memory was 109.8MB in the beginning and 103.5MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:54:47,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_950e3e31-03e6-40e4-a6bd-7f84d4cf844c/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