./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/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_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/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_39196dc3-4cf3-478b-92d1-1a1e505712ef/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 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:20,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:20,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:57:20,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:20,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:20,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:21,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:21,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:21,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:21,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:21,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:21,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:21,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:21,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:21,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:21,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:21,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:21,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:21,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:21,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:21,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:21,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:21,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:21,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:21,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:21,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:21,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:21,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:21,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:21,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:21,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:21,022 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_39196dc3-4cf3-478b-92d1-1a1e505712ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e9bda3e50dab498e3de1810c058a69f77db53aab215d3472e2bd22d9b37b57e [2023-11-11 23:57:21,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:21,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:21,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:21,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:21,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:21,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2023-11-11 23:57:24,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:24,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:24,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_09_good.i [2023-11-11 23:57:24,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/data/7b4207043/d3a64de504c24cfd89d8f592e560bd73/FLAG6b4756ca1 [2023-11-11 23:57:24,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/data/7b4207043/d3a64de504c24cfd89d8f592e560bd73 [2023-11-11 23:57:24,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:25,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:25,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:25,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:25,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:25,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:25,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279592b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:25, skipping insertion in model container [2023-11-11 23:57:25,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:24" (1/1) ... [2023-11-11 23:57:25,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:25,532 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:26,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:26,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:26,269 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:57:26,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:26,617 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,617 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,618 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,618 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,618 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,618 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:26,627 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:26,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26 WrapperNode [2023-11-11 23:57:26,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:26,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:26,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:26,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:26,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,749 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-11 23:57:26,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:26,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:26,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:26,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:26,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:26,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:26,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:26,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:26,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:26" (1/1) ... [2023-11-11 23:57:26,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:26,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:57:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:57:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:57:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:57:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:57:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:57:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:57:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:27,157 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:27,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:27,392 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:27,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:27,446 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:27,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:27 BoogieIcfgContainer [2023-11-11 23:57:27,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:27,450 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:27,450 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:27,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:27,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2023-11-11 23:57:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2023-11-11 23:57:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:27,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:27,935 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 23:57:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 84 transitions. [2023-11-11 23:57:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-11 23:57:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:27,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:27,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,195 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 23:57:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 83 transitions. [2023-11-11 23:57:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-11 23:57:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:28,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,311 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 23:57:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 82 transitions. [2023-11-11 23:57:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-11 23:57:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:28,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,456 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 23:57:28,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 92 transitions. [2023-11-11 23:57:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-11 23:57:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:28,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,574 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 23:57:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-11 23:57:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-11 23:57:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:28,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,839 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 23:57:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 93 transitions. [2023-11-11 23:57:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-11 23:57:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:28,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:28,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:28,971 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 23:57:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 92 transitions. [2023-11-11 23:57:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-11 23:57:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:29,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,205 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 23:57:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 94 transitions. [2023-11-11 23:57:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-11-11 23:57:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:29,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,331 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 23:57:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 88 transitions. [2023-11-11 23:57:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-11 23:57:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:29,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,444 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 23:57:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 93 transitions. [2023-11-11 23:57:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-11-11 23:57:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:57:29,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,604 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 23:57:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 99 transitions. [2023-11-11 23:57:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-11 23:57:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:29,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,763 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 23:57:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 78 states and 115 transitions. [2023-11-11 23:57:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-11 23:57:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:29,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:29,883 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 23:57:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 120 transitions. [2023-11-11 23:57:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2023-11-11 23:57:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:30,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,177 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 23:57:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 119 transitions. [2023-11-11 23:57:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2023-11-11 23:57:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:30,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,371 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 23:57:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 112 transitions. [2023-11-11 23:57:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-11-11 23:57:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:30,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,456 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 23:57:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 110 transitions. [2023-11-11 23:57:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2023-11-11 23:57:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:30,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,545 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 23:57:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 111 transitions. [2023-11-11 23:57:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2023-11-11 23:57:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:57:30,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,624 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 23:57:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 114 transitions. [2023-11-11 23:57:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-11 23:57:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:30,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:30,848 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 23:57:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 113 transitions. [2023-11-11 23:57:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2023-11-11 23:57:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:57:31,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 112 transitions. [2023-11-11 23:57:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2023-11-11 23:57:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:31,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:31,322 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 23:57:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 107 transitions. [2023-11-11 23:57:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-11 23:57:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:57:31,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:31,641 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 23:57:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 80 states and 114 transitions. [2023-11-11 23:57:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-11 23:57:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:57:31,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:31,938 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 23:57:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 84 states and 118 transitions. [2023-11-11 23:57:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-11-11 23:57:32,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:57:32,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:32,175 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 23:57:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 72 transitions. [2023-11-11 23:57:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-11 23:57:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:57:32,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:32,475 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 23:57:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 55 states and 71 transitions. [2023-11-11 23:57:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-11 23:57:32,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:57:32,665 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-11 23:57:32,673 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:57:32,996 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:57:33,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:33 ImpRootNode [2023-11-11 23:57:33,002 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:33,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:33,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:33,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:33,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:27" (3/4) ... [2023-11-11 23:57:33,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:57:33,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:57:33,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:57:33,018 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:57:33,019 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:57:33,019 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:57:33,019 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:57:33,020 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:57:33,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:57:33,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:57:33,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:33,156 INFO L158 Benchmark]: Toolchain (without parser) took 8155.67ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 89.8MB in the beginning and 164.5MB in the end (delta: -74.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,156 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:33,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.08ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 89.4MB in the beginning and 124.4MB in the end (delta: -35.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.53ms. Allocated memory is still 192.9MB. Free memory was 123.5MB in the beginning and 121.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,159 INFO L158 Benchmark]: Boogie Preprocessor took 63.65ms. Allocated memory is still 192.9MB. Free memory was 121.1MB in the beginning and 119.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,160 INFO L158 Benchmark]: RCFGBuilder took 634.27ms. Allocated memory is still 192.9MB. Free memory was 119.2MB in the beginning and 99.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,160 INFO L158 Benchmark]: CodeCheck took 5552.79ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 99.2MB in the beginning and 169.8MB in the end (delta: -70.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:33,160 INFO L158 Benchmark]: Witness Printer took 152.17ms. Allocated memory is still 232.8MB. Free memory was 169.8MB in the beginning and 164.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:33,162 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: 5.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4104 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1717 mSDsluCounter, 4023 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1797 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2994 IncrementalHoareTripleChecker+Invalid, 3824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 2226 mSDtfsCounter, 2994 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5612 GetRequests, 5536 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1985 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 0.36ms. Allocated memory is still 138.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.08ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 89.4MB in the beginning and 124.4MB in the end (delta: -35.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.53ms. Allocated memory is still 192.9MB. Free memory was 123.5MB in the beginning and 121.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.65ms. Allocated memory is still 192.9MB. Free memory was 121.1MB in the beginning and 119.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.27ms. Allocated memory is still 192.9MB. Free memory was 119.2MB in the beginning and 99.2MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5552.79ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 99.2MB in the beginning and 169.8MB in the end (delta: -70.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 152.17ms. Allocated memory is still 232.8MB. Free memory was 169.8MB in the beginning and 164.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:57:33,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39196dc3-4cf3-478b-92d1-1a1e505712ef/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