./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9 --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 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:17:04,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:17:04,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:17:04,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:17:04,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:17:04,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:17:04,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:17:04,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:17:04,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:17:04,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:17:04,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:17:04,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:17:04,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:17:04,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:17:04,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:17:04,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:17:04,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:17:04,408 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:17:04,409 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:17:04,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:17:04,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:17:04,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:17:04,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:17:04,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:17:04,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:17:04,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:04,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:17:04,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:17:04,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:17:04,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:17:04,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:17:04,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:17:04,415 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_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca [2023-12-02 23:17:04,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:17:04,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:17:04,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:17:04,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:17:04,661 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:17:04,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-12-02 23:17:07,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:17:07,766 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:17:07,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-12-02 23:17:07,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/data/37013ed69/187be5d119324b638cec3e40940ac16e/FLAGd583a3d60 [2023-12-02 23:17:07,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/data/37013ed69/187be5d119324b638cec3e40940ac16e [2023-12-02 23:17:07,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:17:07,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:17:07,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:07,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:17:07,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:17:07,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:07,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c7bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:07, skipping insertion in model container [2023-12-02 23:17:07,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:07" (1/1) ... [2023-12-02 23:17:07,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:17:08,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:08,719 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:17:08,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:09,004 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:09,004 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:09,004 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:09,004 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:09,005 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:17:09,011 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:17:09,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09 WrapperNode [2023-12-02 23:17:09,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:09,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:09,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:17:09,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:17:09,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,079 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-12-02 23:17:09,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:09,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:17:09,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:17:09,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:17:09,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:17:09,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:17:09,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:17:09,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:17:09,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:17:09,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:17:09,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:17:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 23:17:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 23:17:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:17:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:17:09,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:17:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:17:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:17:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:17:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:17:09,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:17:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:17:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:17:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:17:09,300 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:17:09,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:17:09,485 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:17:09,526 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:17:09,527 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:17:09,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:09 BoogieIcfgContainer [2023-12-02 23:17:09,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:17:09,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:17:09,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:17:09,536 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:17:09,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:09" (1/1) ... [2023-12-02 23:17:09,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:17:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-12-02 23:17:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-12-02 23:17:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:17:09,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:09,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-12-02 23:17:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 23:17:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:17:09,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:09,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 81 transitions. [2023-12-02 23:17:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-02 23:17:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:17:10,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-12-02 23:17:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-02 23:17:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:17:10,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 80 transitions. [2023-12-02 23:17:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-02 23:17:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:17:10,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 82 transitions. [2023-12-02 23:17:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 23:17:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:17:10,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 93 transitions. [2023-12-02 23:17:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-12-02 23:17:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:17:11,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:11,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:17:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 97 transitions. [2023-12-02 23:17:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 23:17:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:17:11,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 96 transitions. [2023-12-02 23:17:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-12-02 23:17:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:17:11,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:11,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 104 transitions. [2023-12-02 23:17:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-12-02 23:17:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:17:11,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:11,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 97 transitions. [2023-12-02 23:17:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 23:17:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:17:11,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 99 transitions. [2023-12-02 23:17:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-12-02 23:17:12,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:17:12,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 95 transitions. [2023-12-02 23:17:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-12-02 23:17:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:17:12,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 93 transitions. [2023-12-02 23:17:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-12-02 23:17:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:17:12,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 75 transitions. [2023-12-02 23:17:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-02 23:17:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:17:12,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 72 transitions. [2023-12-02 23:17:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-12-02 23:17:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:17:12,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 76 transitions. [2023-12-02 23:17:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-12-02 23:17:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:17:13,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:13,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 81 transitions. [2023-12-02 23:17:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-02 23:17:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:17:13,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 86 transitions. [2023-12-02 23:17:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-12-02 23:17:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:17:13,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:17:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 101 transitions. [2023-12-02 23:17:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-12-02 23:17:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:17:14,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:17:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 97 transitions. [2023-12-02 23:17:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-12-02 23:17:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:17:14,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 92 transitions. [2023-12-02 23:17:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-12-02 23:17:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 23:17:15,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 96 transitions. [2023-12-02 23:17:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-12-02 23:17:15,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:17:15,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:17:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 92 transitions. [2023-12-02 23:17:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-02 23:17:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:17:15,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:16,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 98 transitions. [2023-12-02 23:17:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-12-02 23:17:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:17:16,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:17:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 102 transitions. [2023-12-02 23:17:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-12-02 23:17:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:17:16,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:17:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 51 states and 63 transitions. [2023-12-02 23:17:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-02 23:17:17,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:17:17,049 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-12-02 23:17:17,057 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 23:17:17,332 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:17:17,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:17:17 ImpRootNode [2023-12-02 23:17:17,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:17:17,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:17:17,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:17:17,338 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:17:17,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:09" (3/4) ... [2023-12-02 23:17:17,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:17:17,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 23:17:17,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 23:17:17,350 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 23:17:17,350 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 23:17:17,351 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:17:17,351 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:17:17,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:17:17,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:17:17,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:17:17,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:17:17,459 INFO L158 Benchmark]: Toolchain (without parser) took 9648.09ms. Allocated memory was 163.6MB in the beginning and 274.7MB in the end (delta: 111.1MB). Free memory was 113.5MB in the beginning and 193.4MB in the end (delta: -79.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,459 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:17:17,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.15ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 113.5MB in the beginning and 183.8MB in the end (delta: -70.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 228.6MB. Free memory was 183.8MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,460 INFO L158 Benchmark]: Boogie Preprocessor took 30.45ms. Allocated memory is still 228.6MB. Free memory was 180.7MB in the beginning and 178.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,461 INFO L158 Benchmark]: RCFGBuilder took 417.50ms. Allocated memory is still 228.6MB. Free memory was 178.6MB in the beginning and 157.5MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,461 INFO L158 Benchmark]: CodeCheck took 7808.55ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 157.5MB in the beginning and 199.6MB in the end (delta: -42.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,462 INFO L158 Benchmark]: Witness Printer took 120.33ms. Allocated memory is still 274.7MB. Free memory was 199.6MB in the beginning and 193.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:17:17,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4575 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1888 mSDsluCounter, 4557 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1986 mSDsCounter, 1076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4299 IncrementalHoareTripleChecker+Invalid, 5375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1076 mSolverCounterUnsat, 2571 mSDtfsCounter, 4299 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6039 GetRequests, 5862 SyntacticMatches, 15 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12097 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.15ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 113.5MB in the beginning and 183.8MB in the end (delta: -70.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 228.6MB. Free memory was 183.8MB in the beginning and 180.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.45ms. Allocated memory is still 228.6MB. Free memory was 180.7MB in the beginning and 178.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.50ms. Allocated memory is still 228.6MB. Free memory was 178.6MB in the beginning and 157.5MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7808.55ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 157.5MB in the beginning and 199.6MB in the end (delta: -42.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 120.33ms. Allocated memory is still 274.7MB. Free memory was 199.6MB in the beginning and 193.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:17:17,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8229a744-75e4-43b4-abcf-7f8e9eb31133/bin/ukojak-verify-Qdu7aM0XO9/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