./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL --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 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:56,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:56,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:28:56,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:56,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:56,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:56,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:56,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:56,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:56,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:56,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:56,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:56,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:56,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:56,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:56,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:56,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:56,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:28:56,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:56,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:56,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:56,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:56,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:56,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:56,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:56,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:56,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:56,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:56,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:56,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:56,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:56,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:56,745 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_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c6545f7673056cd6f04b15ad08a14a1a2e116da47cde8b5996c53362c09645 [2023-11-19 03:28:57,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:57,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:57,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:57,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:57,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:57,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2023-11-19 03:29:00,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:01,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:01,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_21_good.i [2023-11-19 03:29:01,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/data/bbea78eda/f09307ae0e9049e287cb9f0b04198297/FLAG86de0e9a4 [2023-11-19 03:29:01,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/data/bbea78eda/f09307ae0e9049e287cb9f0b04198297 [2023-11-19 03:29:01,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:01,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:01,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:01,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:01,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:01,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:01" (1/1) ... [2023-11-19 03:29:01,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b731eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:01, skipping insertion in model container [2023-11-19 03:29:01,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:01" (1/1) ... [2023-11-19 03:29:01,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:01,913 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:29:02,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:02,744 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:02,785 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:29:02,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:03,101 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:29:03,101 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:29:03,102 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:29:03,102 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:29:03,102 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:29:03,111 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:03,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03 WrapperNode [2023-11-19 03:29:03,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:03,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:03,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:03,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:03,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,194 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 79 [2023-11-19 03:29:03,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:03,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:03,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:03,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:03,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:03,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:03,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:03,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:03,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:03,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:03,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:03,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:29:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:29:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:29:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:29:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:29:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:03,543 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:03,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:03,738 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:03,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:03,823 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:29:03,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:03 BoogieIcfgContainer [2023-11-19 03:29:03,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:03,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:03,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:03,844 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:03,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:03" (1/1) ... [2023-11-19 03:29:03,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-19 03:29:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-19 03:29:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:29:03,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:03,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 46 transitions. [2023-11-19 03:29:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-19 03:29:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:29:04,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 43 transitions. [2023-11-19 03:29:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-19 03:29:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:29:04,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 42 transitions. [2023-11-19 03:29:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-19 03:29:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:29:04,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 41 transitions. [2023-11-19 03:29:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:29:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:29:05,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:05,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 33 transitions. [2023-11-19 03:29:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-19 03:29:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:29:05,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 31 transitions. [2023-11-19 03:29:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 03:29:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:29:05,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:05,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 30 transitions. [2023-11-19 03:29:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 03:29:05,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:29:05,930 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:29:05,945 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 03:29:06,000 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:29:06,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:06 ImpRootNode [2023-11-19 03:29:06,007 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:06,008 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:06,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:06,009 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:06,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:03" (3/4) ... [2023-11-19 03:29:06,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:29:06,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:29:06,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:29:06,035 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:29:06,036 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:29:06,036 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:29:06,038 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:29:06,214 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:29:06,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:29:06,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:06,216 INFO L158 Benchmark]: Toolchain (without parser) took 4872.49ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 105.4MB in the beginning and 123.2MB in the end (delta: -17.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,217 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 57.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:06,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.53ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 86.3MB in the end (delta: 18.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.42ms. Allocated memory is still 151.0MB. Free memory was 86.3MB in the beginning and 83.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,221 INFO L158 Benchmark]: Boogie Preprocessor took 36.69ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:06,222 INFO L158 Benchmark]: RCFGBuilder took 597.01ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 116.8MB in the end (delta: -35.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,223 INFO L158 Benchmark]: CodeCheck took 2175.90ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 116.8MB in the beginning and 128.9MB in the end (delta: -12.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,224 INFO L158 Benchmark]: Witness Printer took 207.29ms. Allocated memory is still 201.3MB. Free memory was 128.9MB in the beginning and 123.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,227 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 234 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 215 mSDtfsCounter, 234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 808 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 20/20 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1637]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 57.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.53ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 86.3MB in the end (delta: 18.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.42ms. Allocated memory is still 151.0MB. Free memory was 86.3MB in the beginning and 83.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.69ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.01ms. Allocated memory is still 151.0MB. Free memory was 81.6MB in the beginning and 116.8MB in the end (delta: -35.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 2175.90ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 116.8MB in the beginning and 128.9MB in the end (delta: -12.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 207.29ms. Allocated memory is still 201.3MB. Free memory was 128.9MB in the beginning and 123.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:29:06,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_196e3203-c4a4-45de-b19c-d33f8187c5d8/bin/ukojak-verify-G8NBE6pJGL/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