./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/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_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/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_9db4ffa2-3c1d-475d-97d8-19f965419e32/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 c340d6aaab4de3815cbfd3eb2a433e2dbc388365e568aa6b7beb36e15a380177 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:57,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:57,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:16:57,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:57,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:57,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:57,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:57,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:57,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:57,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:57,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:57,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:57,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:57,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:57,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:57,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:57,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:57,182 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:57,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:57,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:57,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:57,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:57,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:57,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:57,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:57,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:57,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:57,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:57,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:57,189 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:57,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:57,190 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:57,191 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_9db4ffa2-3c1d-475d-97d8-19f965419e32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c340d6aaab4de3815cbfd3eb2a433e2dbc388365e568aa6b7beb36e15a380177 [2023-11-19 03:16:57,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:57,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:57,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:57,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:57,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:57,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_42_good.i [2023-11-19 03:17:00,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:17:01,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:17:01,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_42_good.i [2023-11-19 03:17:01,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/data/e1ad195b2/95cd4652cb494affb9a3c3cd843bcd92/FLAGe8ac11ee7 [2023-11-19 03:17:01,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/data/e1ad195b2/95cd4652cb494affb9a3c3cd843bcd92 [2023-11-19 03:17:01,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:17:01,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:17:01,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:01,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:17:01,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:17:01,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aee7394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01, skipping insertion in model container [2023-11-19 03:17:01,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:01,581 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:17:02,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:02,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:02,263 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:17:02,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:02,471 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:02,472 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:02,472 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:02,473 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:02,473 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:02,481 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:02,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02 WrapperNode [2023-11-19 03:17:02,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:02,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:02,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:02,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:02,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,544 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 61 [2023-11-19 03:17:02,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:02,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:02,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:02,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:02,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:02,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:02,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:02,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:02,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:02" (1/1) ... [2023-11-19 03:17:02,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:02,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:02,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:02,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:17:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:17:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:02,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:02,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:03,079 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:03,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:03,119 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:17:03,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:03 BoogieIcfgContainer [2023-11-19 03:17:03,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:03,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:03,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:03,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:03,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:03" (1/1) ... [2023-11-19 03:17:03,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-19 03:17:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:17:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:17:03,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,441 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 03:17:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-19 03:17:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-19 03:17:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:17:03,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,627 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 03:17:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-19 03:17:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-19 03:17:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:17:03,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,781 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 03:17:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 19 transitions. [2023-11-19 03:17:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-19 03:17:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:17:03,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,865 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 03:17:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 18 transitions. [2023-11-19 03:17:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 03:17:03,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:17:03,920 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:17:03,929 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:17:03,952 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:17:03,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:17:03,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:17:03,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:17:03 ImpRootNode [2023-11-19 03:17:03,957 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:17:03,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:17:03,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:17:03,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:17:03,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:03" (3/4) ... [2023-11-19 03:17:03,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:17:03,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:17:03,971 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:17:03,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:17:03,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:17:03,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:17:03,978 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:17:04,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:17:04,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:17:04,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:17:04,077 INFO L158 Benchmark]: Toolchain (without parser) took 2984.65ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 65.5MB in the end (delta: 47.9MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,078 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:17:04,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1388.04ms. Allocated memory is still 161.5MB. Free memory was 112.6MB in the beginning and 127.3MB in the end (delta: -14.7MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.17ms. Allocated memory is still 161.5MB. Free memory was 127.3MB in the beginning and 124.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,079 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 123.4MB in the end (delta: 828.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:17:04,080 INFO L158 Benchmark]: RCFGBuilder took 549.53ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 107.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,080 INFO L158 Benchmark]: CodeCheck took 832.36ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 70.6MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,081 INFO L158 Benchmark]: Witness Printer took 116.70ms. Allocated memory is still 161.5MB. Free memory was 70.6MB in the beginning and 65.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:17:04,083 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 40 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1591]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1388.04ms. Allocated memory is still 161.5MB. Free memory was 112.6MB in the beginning and 127.3MB in the end (delta: -14.7MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.17ms. Allocated memory is still 161.5MB. Free memory was 127.3MB in the beginning and 124.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 123.4MB in the end (delta: 828.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.53ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 107.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 832.36ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 70.6MB in the end (delta: 36.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 116.70ms. Allocated memory is still 161.5MB. Free memory was 70.6MB in the beginning and 65.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:17:04,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4ffa2-3c1d-475d-97d8-19f965419e32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE