./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4fc024eb4a291394a4ae1b1322682ed27f27b7bc4916ad7f6f7dabc24e8b4cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:53,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:53,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:51:53,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:53,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:53,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:53,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:53,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:53,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:53,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:53,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:53,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:53,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:53,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:53,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:53,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:53,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:53,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:51:53,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:51:53,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:53,264 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:53,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:53,265 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:53,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:53,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:53,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:53,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:53,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:53,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:53,269 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:53,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:53,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:53,270 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_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4fc024eb4a291394a4ae1b1322682ed27f27b7bc4916ad7f6f7dabc24e8b4cb [2023-11-24 22:51:53,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:53,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:53,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:53,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:53,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:53,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_good.i [2023-11-24 22:51:56,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:57,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:57,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_15_good.i [2023-11-24 22:51:57,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/data/ea775251b/d1fb33df37cd4b688e8501c0012a536e/FLAG33f20b197 [2023-11-24 22:51:57,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/data/ea775251b/d1fb33df37cd4b688e8501c0012a536e [2023-11-24 22:51:57,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:57,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:57,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:57,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:57,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:57,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:57" (1/1) ... [2023-11-24 22:51:57,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b3aac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:57, skipping insertion in model container [2023-11-24 22:51:57,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:57" (1/1) ... [2023-11-24 22:51:57,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:58,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:58,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:58,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:58,798 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:58,798 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:58,798 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:58,798 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:51:58,806 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:58,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58 WrapperNode [2023-11-24 22:51:58,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:58,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:58,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:58,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:58,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,903 INFO L138 Inliner]: procedures = 502, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 175 [2023-11-24 22:51:58,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:58,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:58,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:58,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:58,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:58,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:58,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:58,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:58,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:58" (1/1) ... [2023-11-24 22:51:58,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:58,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:59,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:51:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:51:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:51:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:51:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:59,210 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:59,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:59,486 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:59,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:59,540 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:51:59,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:59 BoogieIcfgContainer [2023-11-24 22:51:59,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:59,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:59,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:59,553 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:59,554 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:59" (1/1) ... [2023-11-24 22:51:59,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2023-11-24 22:51:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2023-11-24 22:51:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:51:59,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:59,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 88 states and 126 transitions. [2023-11-24 22:52:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-11-24 22:52:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:00,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 74 states and 102 transitions. [2023-11-24 22:52:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-11-24 22:52:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:52:00,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:00,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 101 transitions. [2023-11-24 22:52:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-11-24 22:52:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:52:00,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:00,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 97 transitions. [2023-11-24 22:52:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-11-24 22:52:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:00,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:00,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 76 states and 104 transitions. [2023-11-24 22:52:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-11-24 22:52:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:00,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:00,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 82 transitions. [2023-11-24 22:52:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 22:52:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:52:01,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 76 transitions. [2023-11-24 22:52:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 22:52:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:52:01,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 82 transitions. [2023-11-24 22:52:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-24 22:52:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:01,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 81 transitions. [2023-11-24 22:52:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-24 22:52:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:01,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:52:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 56 states and 70 transitions. [2023-11-24 22:52:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-24 22:52:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:52:01,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 64 transitions. [2023-11-24 22:52:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-24 22:52:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:52:01,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 57 states and 71 transitions. [2023-11-24 22:52:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-24 22:52:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:52:02,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:02,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 57 transitions. [2023-11-24 22:52:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-11-24 22:52:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:52:02,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 48 states and 55 transitions. [2023-11-24 22:52:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2023-11-24 22:52:02,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:52:02,506 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2023-11-24 22:52:02,516 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:52:02,648 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,656 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,657 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,657 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,657 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:52:02,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:52:02 ImpRootNode [2023-11-24 22:52:02,660 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:52:02,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:52:02,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:52:02,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:52:02,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:59" (3/4) ... [2023-11-24 22:52:02,664 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:52:02,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:52:02,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:52:02,688 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-24 22:52:02,690 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:52:02,691 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:52:02,692 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:02,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:52:02,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:52:02,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:52:02,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:52:02,844 INFO L158 Benchmark]: Toolchain (without parser) took 5588.34ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 129.6MB in the end (delta: -8.7MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,845 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:02,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.53ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 123.4MB in the end (delta: -2.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.38ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 119.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,846 INFO L158 Benchmark]: Boogie Preprocessor took 33.66ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 118.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,847 INFO L158 Benchmark]: RCFGBuilder took 603.13ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 97.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,847 INFO L158 Benchmark]: CodeCheck took 3117.26ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 54.3MB in the end (delta: 43.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,847 INFO L158 Benchmark]: Witness Printer took 183.22ms. Allocated memory is still 167.8MB. Free memory was 54.3MB in the beginning and 129.6MB in the end (delta: -75.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:02,850 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, 83 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1748 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 1354 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 309 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 626 IncrementalHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 309 mSolverCounterUnsat, 1056 mSDtfsCounter, 626 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2958 GetRequests, 2916 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 56/56 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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: 1682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1647]: 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 127.9MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.53ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 123.4MB in the end (delta: -2.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.38ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 119.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.66ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 118.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.13ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 97.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3117.26ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 54.3MB in the end (delta: 43.0MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 183.22ms. Allocated memory is still 167.8MB. Free memory was 54.3MB in the beginning and 129.6MB in the end (delta: -75.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:52:02,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84d82ed9-a34d-46b5-b69d-02fe2743961a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE