./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/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_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/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_ab5e4aec-b7b9-4606-8228-574fb7aa5519/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 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:11:41,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:11:41,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:11:41,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:11:41,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:11:41,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:11:41,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:11:41,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:11:41,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:11:41,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:11:41,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:11:41,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:11:41,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:11:41,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:11:41,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:11:41,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:11:41,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:11:41,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:11:41,321 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:11:41,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:11:41,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:11:41,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:11:41,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:11:41,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:11:41,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:11:41,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:11:41,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:11:41,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:11:41,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:11:41,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:11:41,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:11:41,327 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:11:41,327 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_ab5e4aec-b7b9-4606-8228-574fb7aa5519/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae [2023-12-02 22:11:41,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:11:41,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:11:41,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:11:41,578 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:11:41,579 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:11:41,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2023-12-02 22:11:44,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:11:44,610 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:11:44,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2023-12-02 22:11:44,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/data/d4952d71a/5079d6910b7441adbf42e863f5c183ee/FLAG2570d1388 [2023-12-02 22:11:44,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/data/d4952d71a/5079d6910b7441adbf42e863f5c183ee [2023-12-02 22:11:44,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:11:44,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:11:44,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:11:44,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:11:44,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:11:44,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:44" (1/1) ... [2023-12-02 22:11:44,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf073e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:44, skipping insertion in model container [2023-12-02 22:11:44,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:44" (1/1) ... [2023-12-02 22:11:44,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:11:45,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:11:45,456 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:11:45,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:11:45,692 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:45,692 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:45,692 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:45,693 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:45,693 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:11:45,700 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:11:45,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45 WrapperNode [2023-12-02 22:11:45,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:11:45,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:11:45,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:11:45,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:11:45,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,755 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2023-12-02 22:11:45,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:11:45,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:11:45,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:11:45,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:11:45,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:11:45,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:11:45,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:11:45,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:11:45,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:45" (1/1) ... [2023-12-02 22:11:45,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:11:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:11:45,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:11:45,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:11:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 22:11:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 22:11:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:11:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:11:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:11:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:11:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:11:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:11:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:11:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:11:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:11:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:11:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:11:45,985 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:11:45,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:11:46,162 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:11:46,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:11:46,201 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:11:46,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:46 BoogieIcfgContainer [2023-12-02 22:11:46,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:11:46,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:11:46,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:11:46,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:11:46,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:46" (1/1) ... [2023-12-02 22:11:46,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:11:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-12-02 22:11:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-12-02 22:11:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:11:46,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:46,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:46,549 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 22:11:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-12-02 22:11:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 22:11:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:11:46,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:46,667 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 22:11:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 81 transitions. [2023-12-02 22:11:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-02 22:11:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:11:46,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:46,797 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 22:11:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-12-02 22:11:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-02 22:11:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:11:46,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:46,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:46,939 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 22:11:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 80 transitions. [2023-12-02 22:11:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-02 22:11:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:11:47,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:47,091 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 22:11:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 82 transitions. [2023-12-02 22:11:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-02 22:11:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:11:47,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:47,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:47,487 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 22:11:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 93 transitions. [2023-12-02 22:11:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-12-02 22:11:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:11:47,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:47,825 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 22:11:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 97 transitions. [2023-12-02 22:11:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 22:11:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:11:47,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:47,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,027 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 22:11:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 96 transitions. [2023-12-02 22:11:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-12-02 22:11:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:11:48,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,149 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 22:11:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 104 transitions. [2023-12-02 22:11:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-12-02 22:11:48,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:11:48,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,282 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 22:11:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 97 transitions. [2023-12-02 22:11:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-12-02 22:11:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:11:48,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,345 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 22:11:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 99 transitions. [2023-12-02 22:11:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-12-02 22:11:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:11:48,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,492 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 22:11:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 95 transitions. [2023-12-02 22:11:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-12-02 22:11:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:11:48,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,756 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 22:11:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 93 transitions. [2023-12-02 22:11:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-12-02 22:11:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 22:11:48,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,925 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 22:11:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 75 transitions. [2023-12-02 22:11:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-02 22:11:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:11:48,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:48,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:48,987 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 22:11:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 72 transitions. [2023-12-02 22:11:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-12-02 22:11:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:11:49,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:49,126 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 22:11:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 76 transitions. [2023-12-02 22:11:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-12-02 22:11:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:11:49,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:49,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:49,248 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 22:11:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 81 transitions. [2023-12-02 22:11:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-02 22:11:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:11:49,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:49,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:49,442 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 22:11:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 86 transitions. [2023-12-02 22:11:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-12-02 22:11:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:11:49,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:49,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:49,658 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 22:11:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 101 transitions. [2023-12-02 22:11:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-12-02 22:11:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:11:50,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,187 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 22:11:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 97 transitions. [2023-12-02 22:11:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-12-02 22:11:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:11:50,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,391 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 22:11:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 92 transitions. [2023-12-02 22:11:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-12-02 22:11:50,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 22:11:50,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,620 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 22:11:50,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 96 transitions. [2023-12-02 22:11:50,794 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-12-02 22:11:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:11:50,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:50,849 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 22:11:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 92 transitions. [2023-12-02 22:11:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-02 22:11:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:11:50,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,103 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 22:11:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 98 transitions. [2023-12-02 22:11:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-12-02 22:11:51,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:11:51,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,414 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 22:11:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 102 transitions. [2023-12-02 22:11:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-12-02 22:11:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:11:51,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:11:51,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:11:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:11:51,595 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 22:11:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:11:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 51 states and 63 transitions. [2023-12-02 22:11:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-02 22:11:51,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:11:51,621 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-12-02 22:11:51,629 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 22:11:51,925 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:11:51,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:11:51 ImpRootNode [2023-12-02 22:11:51,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:11:51,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:11:51,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:11:51,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:11:51,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:46" (3/4) ... [2023-12-02 22:11:51,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:11:51,937 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 22:11:51,937 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 22:11:51,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 22:11:51,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 22:11:51,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:11:51,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:11:51,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:11:52,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:11:52,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:11:52,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:11:52,049 INFO L158 Benchmark]: Toolchain (without parser) took 7395.83ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 123.2MB in the beginning and 91.3MB in the end (delta: 31.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,050 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory was 137.6MB in the beginning and 137.4MB in the end (delta: 150.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:11:52,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1045.69ms. Allocated memory is still 163.6MB. Free memory was 122.8MB in the beginning and 125.2MB in the end (delta: -2.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.85ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 121.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,051 INFO L158 Benchmark]: Boogie Preprocessor took 30.44ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,052 INFO L158 Benchmark]: RCFGBuilder took 415.61ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 100.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,052 INFO L158 Benchmark]: CodeCheck took 5726.58ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 100.0MB in the beginning and 97.5MB in the end (delta: 2.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,052 INFO L158 Benchmark]: Witness Printer took 117.93ms. Allocated memory is still 197.1MB. Free memory was 97.5MB in the beginning and 91.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:11:52,054 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: 5.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4711 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2024 mSDsluCounter, 4661 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2062 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4195 IncrementalHoareTripleChecker+Invalid, 5135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 2599 mSDtfsCounter, 4195 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6031 GetRequests, 5894 SyntacticMatches, 15 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7100 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory was 137.6MB in the beginning and 137.4MB in the end (delta: 150.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1045.69ms. Allocated memory is still 163.6MB. Free memory was 122.8MB in the beginning and 125.2MB in the end (delta: -2.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.85ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 121.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.44ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.61ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 100.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5726.58ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 100.0MB in the beginning and 97.5MB in the end (delta: 2.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 117.93ms. Allocated memory is still 197.1MB. Free memory was 97.5MB in the beginning and 91.3MB 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 22:11:52,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5e4aec-b7b9-4606-8228-574fb7aa5519/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