./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_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_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/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_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/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_a263e659-0628-495e-9151-a2d65b4de036/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 f5f298caf96db202535b4ae4c8c894030d2c12db3192e96c41673deba6736c93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:37,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:37,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:37,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:37,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:37,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:37,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:37,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:37,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:37,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:37,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:37,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:37,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:37,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:37,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:37,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:37,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:37,750 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:37,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:37,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:37,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:37,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:37,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:37,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:37,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:37,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:37,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:37,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:37,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:37,759 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:37,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:37,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:37,760 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_a263e659-0628-495e-9151-a2d65b4de036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5f298caf96db202535b4ae4c8c894030d2c12db3192e96c41673deba6736c93 [2023-11-24 22:58:38,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:38,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:38,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:38,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:38,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:38,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_good.i [2023-11-24 22:58:41,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:42,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:42,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_11_good.i [2023-11-24 22:58:42,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/data/f5e2513c0/17eab9b69a5d47199cd40a2c8df9d84a/FLAG7c43bd136 [2023-11-24 22:58:42,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/data/f5e2513c0/17eab9b69a5d47199cd40a2c8df9d84a [2023-11-24 22:58:42,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:42,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:42,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:42,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:42,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:42,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:42" (1/1) ... [2023-11-24 22:58:42,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b0cd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:42, skipping insertion in model container [2023-11-24 22:58:42,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:42" (1/1) ... [2023-11-24 22:58:42,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:43,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:43,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:43,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:44,039 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:44,039 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:44,040 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:44,040 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:44,048 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:44,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44 WrapperNode [2023-11-24 22:58:44,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:44,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:44,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:44,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:44,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,182 INFO L138 Inliner]: procedures = 502, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2023-11-24 22:58:44,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:44,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:44,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:44,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:44,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:44,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:44,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:44,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:44,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:44,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:44,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:44,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:58:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:58:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-24 22:58:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-24 22:58:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-24 22:58:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-24 22:58:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:44,594 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:44,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:44,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:44,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:44,982 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:58:44,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:44 BoogieIcfgContainer [2023-11-24 22:58:44,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:44,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:44,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:44,998 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:44,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:45,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-11-24 22:58:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 22:58:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:45,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,633 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 22:58:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 85 transitions. [2023-11-24 22:58:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-24 22:58:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:45,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:58:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 81 transitions. [2023-11-24 22:58:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2023-11-24 22:58:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:58:46,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:58:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 80 transitions. [2023-11-24 22:58:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-24 22:58:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:58:46,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:58:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 73 transitions. [2023-11-24 22:58:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-24 22:58:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:58:46,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:58:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 72 transitions. [2023-11-24 22:58:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-11-24 22:58:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:58:46,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:58:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 79 transitions. [2023-11-24 22:58:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-24 22:58:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:58:47,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:58:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 87 transitions. [2023-11-24 22:58:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-24 22:58:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:58:47,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:58:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 66 transitions. [2023-11-24 22:58:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2023-11-24 22:58:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:58:47,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:58:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 65 transitions. [2023-11-24 22:58:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-11-24 22:58:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:58:47,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:58:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 64 transitions. [2023-11-24 22:58:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-11-24 22:58:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:58:48,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:48,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:58:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 63 transitions. [2023-11-24 22:58:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-24 22:58:48,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:58:48,533 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-11-24 22:58:48,542 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:58:48,734 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:58:48,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:48 ImpRootNode [2023-11-24 22:58:48,741 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:48,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:48,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:48,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:48,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:44" (3/4) ... [2023-11-24 22:58:48,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:58:48,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:58:48,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-24 22:58:48,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:58:48,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-24 22:58:48,759 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-24 22:58:48,760 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:58:48,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:58:48,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:58:48,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:58:48,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:58:48,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:48,901 INFO L158 Benchmark]: Toolchain (without parser) took 6572.88ms. Allocated memory is still 195.0MB. Free memory was 153.8MB in the beginning and 110.2MB in the end (delta: 43.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,901 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:48,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1718.30ms. Allocated memory is still 195.0MB. Free memory was 153.8MB in the beginning and 137.9MB in the end (delta: 15.9MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.48ms. Allocated memory is still 195.0MB. Free memory was 137.9MB in the beginning and 134.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,903 INFO L158 Benchmark]: Boogie Preprocessor took 55.27ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,903 INFO L158 Benchmark]: RCFGBuilder took 744.45ms. Allocated memory is still 195.0MB. Free memory was 132.8MB in the beginning and 112.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,904 INFO L158 Benchmark]: CodeCheck took 3755.62ms. Allocated memory is still 195.0MB. Free memory was 112.8MB in the beginning and 116.5MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:48,904 INFO L158 Benchmark]: Witness Printer took 158.17ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 110.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:58:48,906 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 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1589 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 1179 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 760 IncrementalHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 1001 mSDtfsCounter, 760 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3213 GetRequests, 3167 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 216/220 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1718.30ms. Allocated memory is still 195.0MB. Free memory was 153.8MB in the beginning and 137.9MB in the end (delta: 15.9MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.48ms. Allocated memory is still 195.0MB. Free memory was 137.9MB in the beginning and 134.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.27ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.45ms. Allocated memory is still 195.0MB. Free memory was 132.8MB in the beginning and 112.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3755.62ms. Allocated memory is still 195.0MB. Free memory was 112.8MB in the beginning and 116.5MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.17ms. Allocated memory is still 195.0MB. Free memory was 116.5MB in the beginning and 110.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:58:48,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a263e659-0628-495e-9151-a2d65b4de036/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