./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL --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 29d63605eb86d11af9664a778f80880dfaeef2aae8f6f82b7fb16501bcd4b318 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:19,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:19,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:05:19,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:19,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:19,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:19,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:19,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:19,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:19,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:19,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:19,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:19,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:19,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:19,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:19,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:19,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:19,997 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:05:19,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:05:19,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:19,999 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:20,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:20,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:20,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:20,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:20,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:20,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:20,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:20,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:20,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:20,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:20,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:20,010 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_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d63605eb86d11af9664a778f80880dfaeef2aae8f6f82b7fb16501bcd4b318 [2023-11-19 04:05:20,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:20,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:20,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:20,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:20,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:20,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_good.i [2023-11-19 04:05:23,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:24,126 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:24,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_10_good.i [2023-11-19 04:05:24,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/data/01eae2a9a/05c11ade231e467ba0794c0492f0f212/FLAGba88e0a94 [2023-11-19 04:05:24,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/data/01eae2a9a/05c11ade231e467ba0794c0492f0f212 [2023-11-19 04:05:24,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:24,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:24,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:24,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:24,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:24,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:24" (1/1) ... [2023-11-19 04:05:24,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3b9cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:24, skipping insertion in model container [2023-11-19 04:05:24,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:24" (1/1) ... [2023-11-19 04:05:24,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:24,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:05:25,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:25,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:25,686 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:05:25,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:25,975 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,975 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,976 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,976 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,976 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,977 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:25,987 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:25,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25 WrapperNode [2023-11-19 04:05:25,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:25,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:25,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:25,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:25,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,111 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-19 04:05:26,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:26,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:26,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:26,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:26,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:26,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:26,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:26,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:26,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:25" (1/1) ... [2023-11-19 04:05:26,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:26,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:26,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:26,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:05:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:05:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:05:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:05:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:05:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:05:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:05:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:05:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:05:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:26,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:26,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:26,855 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:26,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:26,909 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:05:26,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:26 BoogieIcfgContainer [2023-11-19 04:05:26,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:26,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:26,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:26,930 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:26,931 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:26" (1/1) ... [2023-11-19 04:05:26,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-19 04:05:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-19 04:05:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:05:27,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-19 04:05:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-19 04:05:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:05:27,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-19 04:05:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-19 04:05:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:27,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-19 04:05:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-19 04:05:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:05:28,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-19 04:05:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-19 04:05:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:05:28,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-19 04:05:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-19 04:05:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:05:28,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-19 04:05:28,713 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-19 04:05:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:28,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-19 04:05:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-19 04:05:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:05:28,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-19 04:05:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-19 04:05:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:29,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-19 04:05:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-19 04:05:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:05:29,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-19 04:05:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-19 04:05:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:05:29,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 94 transitions. [2023-11-19 04:05:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-11-19 04:05:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:05:29,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 110 transitions. [2023-11-19 04:05:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-19 04:05:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:05:29,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-19 04:05:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-19 04:05:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:29,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 114 transitions. [2023-11-19 04:05:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2023-11-19 04:05:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:05:30,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 75 states and 107 transitions. [2023-11-19 04:05:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-19 04:05:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:05:30,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 105 transitions. [2023-11-19 04:05:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-19 04:05:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:05:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 106 transitions. [2023-11-19 04:05:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2023-11-19 04:05:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:05:30,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 109 transitions. [2023-11-19 04:05:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-19 04:05:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:05:30,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 108 transitions. [2023-11-19 04:05:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2023-11-19 04:05:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:05:30,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 107 transitions. [2023-11-19 04:05:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-19 04:05:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:05:31,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 102 transitions. [2023-11-19 04:05:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-11-19 04:05:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:05:31,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 101 transitions. [2023-11-19 04:05:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-19 04:05:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:05:31,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 105 transitions. [2023-11-19 04:05:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-11-19 04:05:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:05:32,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:32,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:05:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 55 states and 71 transitions. [2023-11-19 04:05:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-19 04:05:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:05:32,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:32,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 60 states and 77 transitions. [2023-11-19 04:05:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-19 04:05:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:05:33,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:33,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 51 states and 65 transitions. [2023-11-19 04:05:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-19 04:05:33,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:05:33,522 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-19 04:05:33,544 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 04:05:33,978 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:05:33,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:05:33 ImpRootNode [2023-11-19 04:05:33,984 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:05:33,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:05:33,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:05:33,986 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:05:33,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:26" (3/4) ... [2023-11-19 04:05:33,989 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:05:33,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:05:33,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:05:34,005 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 04:05:34,006 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:05:34,007 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:05:34,008 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:05:34,008 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:05:34,180 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:05:34,180 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:05:34,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:05:34,182 INFO L158 Benchmark]: Toolchain (without parser) took 9975.55ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 123.3MB in the beginning and 77.2MB in the end (delta: 46.1MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,182 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 176.2MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:34,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1778.72ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 123.3MB in the beginning and 204.8MB in the end (delta: -81.5MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.86ms. Allocated memory is still 253.8MB. Free memory was 204.8MB in the beginning and 201.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,184 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 253.8MB. Free memory was 201.8MB in the beginning and 200.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,185 INFO L158 Benchmark]: RCFGBuilder took 756.06ms. Allocated memory is still 253.8MB. Free memory was 199.7MB in the beginning and 180.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,185 INFO L158 Benchmark]: CodeCheck took 7067.98ms. Allocated memory is still 253.8MB. Free memory was 180.8MB in the beginning and 83.5MB in the end (delta: 97.3MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,186 INFO L158 Benchmark]: Witness Printer took 195.66ms. Allocated memory is still 253.8MB. Free memory was 83.5MB in the beginning and 77.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:05:34,188 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: 6.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4270 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1753 mSDsluCounter, 4112 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1809 mSDsCounter, 847 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3046 IncrementalHoareTripleChecker+Invalid, 3893 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 847 mSolverCounterUnsat, 2303 mSDtfsCounter, 3046 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5893 GetRequests, 5805 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2802 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s 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 0.37ms. Allocated memory is still 176.2MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1778.72ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 123.3MB in the beginning and 204.8MB in the end (delta: -81.5MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.86ms. Allocated memory is still 253.8MB. Free memory was 204.8MB in the beginning and 201.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 253.8MB. Free memory was 201.8MB in the beginning and 200.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 756.06ms. Allocated memory is still 253.8MB. Free memory was 199.7MB in the beginning and 180.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7067.98ms. Allocated memory is still 253.8MB. Free memory was 180.8MB in the beginning and 83.5MB in the end (delta: 97.3MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. * Witness Printer took 195.66ms. Allocated memory is still 253.8MB. Free memory was 83.5MB in the beginning and 77.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:05:34,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c2fac0-37db-4acb-9027-6c9a32424858/bin/ukojak-verify-G8NBE6pJGL/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