./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_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_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi --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 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:00,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:00,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:52:00,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:00,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:00,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:00,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:00,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:00,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:00,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:00,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:00,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:00,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:00,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:00,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:00,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:00,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:00,819 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:52:00,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:52:00,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:00,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:00,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:00,823 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:00,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:00,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:00,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:00,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:00,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:00,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:00,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:00,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:00,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:00,829 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_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 [2023-11-24 22:52:01,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:01,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:01,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:01,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:01,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:01,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2023-11-24 22:52:05,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:05,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:05,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2023-11-24 22:52:05,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/data/944dbef11/410a105d1b0b4a819cbea8d463155dab/FLAG169ac15da [2023-11-24 22:52:05,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/data/944dbef11/410a105d1b0b4a819cbea8d463155dab [2023-11-24 22:52:05,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:05,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:05,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:05,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:05,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:05,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f576ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:05, skipping insertion in model container [2023-11-24 22:52:05,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:05" (1/1) ... [2023-11-24 22:52:05,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:07,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:07,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:07,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:07,438 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:07,439 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:07,439 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:07,439 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:07,440 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:52:07,450 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:07,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07 WrapperNode [2023-11-24 22:52:07,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:07,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:07,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:07,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:07,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,592 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2023-11-24 22:52:07,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:07,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:07,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:07,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:07,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:07,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:07,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:07,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:07,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:07" (1/1) ... [2023-11-24 22:52:07,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:07,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:07,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:52:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:52:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:52:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:52:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:52:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:52:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:52:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:07,990 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:07,993 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:08,389 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:08,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:08,470 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:52:08,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:08 BoogieIcfgContainer [2023-11-24 22:52:08,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:08,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:08,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:08,487 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:08,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:08" (1/1) ... [2023-11-24 22:52:08,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-11-24 22:52:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-24 22:52:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:52:08,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 90 transitions. [2023-11-24 22:52:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-24 22:52:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:52:09,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 89 transitions. [2023-11-24 22:52:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-24 22:52:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:09,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 88 transitions. [2023-11-24 22:52:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-24 22:52:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:52:09,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 98 transitions. [2023-11-24 22:52:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 22:52:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:09,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 22:52:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 22:52:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:52:10,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 99 transitions. [2023-11-24 22:52:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-24 22:52:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:10,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 98 transitions. [2023-11-24 22:52:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 22:52:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:52:10,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 22:52:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 22:52:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:52:10,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 105 transitions. [2023-11-24 22:52:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-24 22:52:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:10,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 111 transitions. [2023-11-24 22:52:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 22:52:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:11,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 117 transitions. [2023-11-24 22:52:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-11-24 22:52:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:11,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 111 transitions. [2023-11-24 22:52:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 22:52:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:11,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 110 transitions. [2023-11-24 22:52:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2023-11-24 22:52:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:52:11,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 125 transitions. [2023-11-24 22:52:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-11-24 22:52:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:52:11,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 123 transitions. [2023-11-24 22:52:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-24 22:52:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:52:11,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 115 transitions. [2023-11-24 22:52:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-24 22:52:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:52:12,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 111 transitions. [2023-11-24 22:52:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 22:52:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:52:12,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 113 transitions. [2023-11-24 22:52:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-11-24 22:52:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:12,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 112 transitions. [2023-11-24 22:52:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-24 22:52:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:12,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 111 transitions. [2023-11-24 22:52:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2023-11-24 22:52:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:12,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 115 transitions. [2023-11-24 22:52:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-11-24 22:52:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:13,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 122 transitions. [2023-11-24 22:52:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-24 22:52:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:13,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 105 transitions. [2023-11-24 22:52:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-11-24 22:52:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:13,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 76 transitions. [2023-11-24 22:52:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 22:52:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:52:14,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 59 states and 75 transitions. [2023-11-24 22:52:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 22:52:14,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:52:14,976 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-24 22:52:14,988 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:52:15,378 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:15,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:15 ImpRootNode [2023-11-24 22:52:15,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:15,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:15,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:15,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:15,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:08" (3/4) ... [2023-11-24 22:52:15,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:52:15,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:52:15,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:52:15,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 22:52:15,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:52:15,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:52:15,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:15,409 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:15,582 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:15,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:52:15,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:15,584 INFO L158 Benchmark]: Toolchain (without parser) took 10036.24ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 111.2MB in the beginning and 138.1MB in the end (delta: -26.9MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,585 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 84.9MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:15,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1896.24ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 84.4MB in the end (delta: 26.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.09ms. Allocated memory is still 153.1MB. Free memory was 84.4MB in the beginning and 81.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,592 INFO L158 Benchmark]: Boogie Preprocessor took 80.88ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,593 INFO L158 Benchmark]: RCFGBuilder took 796.65ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 107.9MB in the end (delta: -28.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,593 INFO L158 Benchmark]: CodeCheck took 6912.55ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 107.9MB in the beginning and 144.3MB in the end (delta: -36.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,594 INFO L158 Benchmark]: Witness Printer took 196.49ms. Allocated memory is still 222.3MB. Free memory was 144.3MB in the beginning and 138.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:52:15,597 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, 67 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4486 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 4434 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1962 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3025 IncrementalHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 2472 mSDtfsCounter, 3025 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5470 GetRequests, 5388 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2382 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 1200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 40/40 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 84.9MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1896.24ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 84.4MB in the end (delta: 26.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.09ms. Allocated memory is still 153.1MB. Free memory was 84.4MB in the beginning and 81.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.88ms. Allocated memory is still 153.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.65ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 107.9MB in the end (delta: -28.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6912.55ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 107.9MB in the beginning and 144.3MB in the end (delta: -36.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Witness Printer took 196.49ms. Allocated memory is still 222.3MB. Free memory was 144.3MB in the beginning and 138.1MB 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! [2023-11-24 22:52:15,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d21cf71-680d-4fe4-91cd-044ec3b4e821/bin/ukojak-verify-afCqCEvfdi/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