./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC --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 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:32,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:32,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:04:32,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:32,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:32,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:32,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:32,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:32,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:32,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:32,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:32,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:32,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:32,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:32,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:32,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:32,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:32,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:32,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:32,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:32,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:32,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:32,842 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:32,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:32,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:32,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:32,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:32,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:32,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:32,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:32,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:32,849 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:32,849 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_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 [2023-11-23 20:04:33,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:33,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:33,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:33,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:33,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:33,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2023-11-23 20:04:36,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:36,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:36,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2023-11-23 20:04:36,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/data/f2942ec4d/bfc2c25972654a0abb00734eb90b69ce/FLAG72778c688 [2023-11-23 20:04:36,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/data/f2942ec4d/bfc2c25972654a0abb00734eb90b69ce [2023-11-23 20:04:36,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:36,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:36,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:36,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:36,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:36,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:36" (1/1) ... [2023-11-23 20:04:36,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5292f240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:36, skipping insertion in model container [2023-11-23 20:04:36,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:36" (1/1) ... [2023-11-23 20:04:37,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:37,497 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:38,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:38,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:38,276 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:38,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:38,582 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:38,582 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:38,582 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:38,583 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:38,583 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:38,591 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:38,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38 WrapperNode [2023-11-23 20:04:38,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:38,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:38,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:38,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:38,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,713 INFO L138 Inliner]: procedures = 505, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 211 [2023-11-23 20:04:38,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:38,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:38,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:38,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:38,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:38,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:38,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:38,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:38,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:38" (1/1) ... [2023-11-23 20:04:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:38,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:38,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:38,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:04:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:04:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:04:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:04:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-23 20:04:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-23 20:04:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-23 20:04:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-23 20:04:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:04:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:04:39,047 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:39,048 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:39,425 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:39,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:39,811 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:04:39,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:39 BoogieIcfgContainer [2023-11-23 20:04:39,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:39,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:39,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:39,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:39,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:39" (1/1) ... [2023-11-23 20:04:39,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-23 20:04:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-23 20:04:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:04:39,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:39,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 88 transitions. [2023-11-23 20:04:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-23 20:04:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:04:40,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 87 transitions. [2023-11-23 20:04:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-23 20:04:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:04:41,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:04:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 84 transitions. [2023-11-23 20:04:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-23 20:04:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:04:41,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:04:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 83 transitions. [2023-11-23 20:04:41,919 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-23 20:04:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:04:41,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:41,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:04:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 82 transitions. [2023-11-23 20:04:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-23 20:04:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:04:42,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:42,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:04:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 81 transitions. [2023-11-23 20:04:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-23 20:04:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:04:42,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:04:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 88 transitions. [2023-11-23 20:04:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-23 20:04:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:04:42,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:04:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 89 transitions. [2023-11-23 20:04:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-23 20:04:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:04:42,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:04:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 76 transitions. [2023-11-23 20:04:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-23 20:04:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:04:42,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:42,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:04:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 75 transitions. [2023-11-23 20:04:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-23 20:04:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:04:43,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:04:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 74 transitions. [2023-11-23 20:04:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-23 20:04:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:04:43,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:04:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 73 transitions. [2023-11-23 20:04:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-23 20:04:43,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:04:43,932 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-23 20:04:43,942 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:04:44,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:04:44,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:04:44 ImpRootNode [2023-11-23 20:04:44,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:04:44,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:04:44,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:04:44,081 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:04:44,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:39" (3/4) ... [2023-11-23 20:04:44,083 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:04:44,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:04:44,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-23 20:04:44,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:04:44,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-23 20:04:44,096 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-23 20:04:44,097 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:04:44,098 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:04:44,099 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:04:44,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:04:44,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:04:44,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:04:44,228 INFO L158 Benchmark]: Toolchain (without parser) took 7301.27ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 99.7MB in the beginning and 50.7MB in the end (delta: 49.0MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,228 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:44,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1664.53ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 87.7MB in the end (delta: 12.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.04ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 84.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,229 INFO L158 Benchmark]: Boogie Preprocessor took 74.08ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,230 INFO L158 Benchmark]: RCFGBuilder took 1024.29ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 65.0MB in the end (delta: 17.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,230 INFO L158 Benchmark]: CodeCheck took 4265.29ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 65.0MB in the beginning and 59.0MB in the end (delta: 6.0MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,231 INFO L158 Benchmark]: Witness Printer took 147.00ms. Allocated memory is still 209.7MB. Free memory was 59.0MB in the beginning and 50.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:44,233 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, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1590 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 1077 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 960 IncrementalHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 949 mSDtfsCounter, 960 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3275 GetRequests, 3229 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1664.53ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 87.7MB in the end (delta: 12.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.04ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 84.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.08ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1024.29ms. Allocated memory is still 144.7MB. Free memory was 82.4MB in the beginning and 65.0MB in the end (delta: 17.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 4265.29ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 65.0MB in the beginning and 59.0MB in the end (delta: 6.0MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Witness Printer took 147.00ms. Allocated memory is still 209.7MB. Free memory was 59.0MB in the beginning and 50.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:04:44,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01f355d-fd74-468d-add2-16cb8ebe04bd/bin/ukojak-verify-1t5iHCbJaC/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