./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:02,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:02,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:02,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:02,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:02,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:02,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:02,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:02,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:02,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:02,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:02,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:02,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:02,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:02,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:02,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:02,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:02,307 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:02,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:02,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:02,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:02,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:02,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:02,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:02,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:02,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:02,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:02,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:02,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:02,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:02,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:02,317 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_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 [2023-11-11 23:49:02,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:02,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:02,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:02,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:02,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:02,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2023-11-11 23:49:05,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:06,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:06,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2023-11-11 23:49:06,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/data/297ae9668/3d3a03629d594d55bc5912940e6a29f5/FLAGc0625e398 [2023-11-11 23:49:06,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/data/297ae9668/3d3a03629d594d55bc5912940e6a29f5 [2023-11-11 23:49:06,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:06,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:06,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:06,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:06,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:06,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b163d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06, skipping insertion in model container [2023-11-11 23:49:06,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:07,061 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:07,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:07,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:07,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:07,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:07,915 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,915 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,915 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,915 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,916 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,916 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:07,924 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:07,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07 WrapperNode [2023-11-11 23:49:07,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:07,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:07,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:07,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:07,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:07,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,019 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-11 23:49:08,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:08,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:08,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:08,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:08,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:08,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:08,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:08,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:08,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:08,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:08,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:08,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:49:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:49:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:49:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:49:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:08,310 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:08,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:08,561 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:08,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:08,608 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:08,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:08 BoogieIcfgContainer [2023-11-11 23:49:08,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:08,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:08,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:08,622 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:08,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:08" (1/1) ... [2023-11-11 23:49:08,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-11 23:49:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-11 23:49:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:08,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-11 23:49:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-11 23:49:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:09,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-11 23:49:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-11 23:49:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:09,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-11 23:49:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-11 23:49:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:09,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:09,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-11 23:49:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-11 23:49:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:09,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-11 23:49:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-11 23:49:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:10,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-11 23:49:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-11 23:49:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:10,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-11 23:49:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-11 23:49:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:49:10,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-11 23:49:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-11 23:49:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:10,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-11 23:49:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-11 23:49:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:10,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-11 23:49:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-11 23:49:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:10,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 94 transitions. [2023-11-11 23:49:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-11-11 23:49:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:10,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 110 transitions. [2023-11-11 23:49:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-11 23:49:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:11,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-11 23:49:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-11 23:49:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:11,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 114 transitions. [2023-11-11 23:49:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-11-11 23:49:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:11,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 107 transitions. [2023-11-11 23:49:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-11 23:49:11,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:49:11,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 105 transitions. [2023-11-11 23:49:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-11 23:49:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:11,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 106 transitions. [2023-11-11 23:49:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2023-11-11 23:49:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:11,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 111 transitions. [2023-11-11 23:49:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2023-11-11 23:49:12,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:49:12,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 114 transitions. [2023-11-11 23:49:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-11 23:49:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:49:12,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 113 transitions. [2023-11-11 23:49:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-11 23:49:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:12,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 108 transitions. [2023-11-11 23:49:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-11 23:49:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:49:12,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 107 transitions. [2023-11-11 23:49:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-11 23:49:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:49:12,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 112 transitions. [2023-11-11 23:49:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2023-11-11 23:49:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:49:13,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 55 states and 71 transitions. [2023-11-11 23:49:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-11 23:49:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:49:13,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 60 states and 77 transitions. [2023-11-11 23:49:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-11 23:49:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:49:14,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 51 states and 65 transitions. [2023-11-11 23:49:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-11 23:49:14,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:49:14,617 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-11 23:49:14,630 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:49:14,970 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:14,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:14 ImpRootNode [2023-11-11 23:49:14,977 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:14,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:14,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:14,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:14,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:08" (3/4) ... [2023-11-11 23:49:14,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:49:14,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:49:14,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:49:14,996 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:49:14,997 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:49:14,998 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:49:14,998 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:49:14,999 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:49:15,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:15,136 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:49:15,136 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:15,137 INFO L158 Benchmark]: Toolchain (without parser) took 8666.33ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 90.4MB in the beginning and 58.7MB in the end (delta: 31.7MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,137 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:15,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.31ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 90.4MB in the beginning and 107.4MB in the end (delta: -17.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.82ms. Allocated memory is still 176.2MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,139 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:15,139 INFO L158 Benchmark]: RCFGBuilder took 556.53ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 83.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,140 INFO L158 Benchmark]: CodeCheck took 6366.04ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 83.1MB in the beginning and 63.9MB in the end (delta: 19.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,140 INFO L158 Benchmark]: Witness Printer took 157.91ms. Allocated memory is still 211.8MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4248 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1740 mSDsluCounter, 4130 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1827 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3050 IncrementalHoareTripleChecker+Invalid, 3897 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 2303 mSDtfsCounter, 3050 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5921 GetRequests, 5833 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2812 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.31ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 90.4MB in the beginning and 107.4MB in the end (delta: -17.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.82ms. Allocated memory is still 176.2MB. Free memory was 107.4MB in the beginning and 104.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.97ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.53ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 83.1MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6366.04ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 83.1MB in the beginning and 63.9MB in the end (delta: 19.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Witness Printer took 157.91ms. Allocated memory is still 211.8MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:49:15,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cbe49e-a5cd-4ec5-922f-6b92523a6472/bin/ukojak-verify-0OAaufAVZV/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