./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9 --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 9201e7b46e737fc47a8de4643d1149fbe3bbd874a732a4c23bafe97925e39ff6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:54:11,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:54:11,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 20:54:11,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:54:11,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:54:11,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:54:11,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:54:11,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:54:11,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:54:11,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:54:11,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:54:11,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:54:11,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:54:11,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:54:11,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:54:11,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:54:11,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:54:11,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:54:11,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:54:11,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:54:11,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:54:11,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:54:11,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:54:11,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:54:11,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:54:11,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:11,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:54:11,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:54:11,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:54:11,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:54:11,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:54:11,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:54:11,476 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_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9201e7b46e737fc47a8de4643d1149fbe3bbd874a732a4c23bafe97925e39ff6 [2023-12-02 20:54:11,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:54:11,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:54:11,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:54:11,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:54:11,690 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:54:11,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_good.i [2023-12-02 20:54:14,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:54:14,766 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:54:14,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_good.i [2023-12-02 20:54:14,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/data/624dfba67/effbd502cb434961aa76d22769f287b2/FLAG86dff23e3 [2023-12-02 20:54:14,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/data/624dfba67/effbd502cb434961aa76d22769f287b2 [2023-12-02 20:54:14,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:54:14,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:54:14,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:14,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:54:14,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:54:14,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:14" (1/1) ... [2023-12-02 20:54:14,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523eb281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:14, skipping insertion in model container [2023-12-02 20:54:14,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:14" (1/1) ... [2023-12-02 20:54:14,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:54:15,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:15,660 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:54:15,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:15,893 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:15,893 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:15,894 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:15,894 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:54:15,901 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:54:15,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15 WrapperNode [2023-12-02 20:54:15,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:15,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:15,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:54:15,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:54:15,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,963 INFO L138 Inliner]: procedures = 502, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 283 [2023-12-02 20:54:15,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:15,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:54:15,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:54:15,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:54:15,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:15,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:54:15,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:54:15,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:54:15,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:54:15,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:15" (1/1) ... [2023-12-02 20:54:16,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:54:16,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:54:16,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:54:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 20:54:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 20:54:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 20:54:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 20:54:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:54:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:54:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:54:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 20:54:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:54:16,221 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:54:16,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:54:16,526 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:54:16,768 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:54:16,768 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:54:16,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:16 BoogieIcfgContainer [2023-12-02 20:54:16,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:54:16,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:54:16,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:54:16,780 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:54:16,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:16" (1/1) ... [2023-12-02 20:54:16,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2023-12-02 20:54:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-12-02 20:54:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:54:16,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2023-12-02 20:54:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2023-12-02 20:54:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 20:54:17,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2023-12-02 20:54:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-12-02 20:54:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 20:54:17,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 101 transitions. [2023-12-02 20:54:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-12-02 20:54:17,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 20:54:17,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 100 transitions. [2023-12-02 20:54:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-12-02 20:54:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 20:54:17,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:54:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 96 transitions. [2023-12-02 20:54:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-12-02 20:54:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 20:54:17,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:54:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 95 transitions. [2023-12-02 20:54:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-12-02 20:54:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 20:54:17,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:54:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 103 transitions. [2023-12-02 20:54:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-12-02 20:54:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 20:54:18,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:18,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:54:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 88 transitions. [2023-12-02 20:54:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-02 20:54:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 20:54:18,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:18,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:54:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 82 transitions. [2023-12-02 20:54:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-12-02 20:54:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 20:54:18,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 87 transitions. [2023-12-02 20:54:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-12-02 20:54:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 20:54:18,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 93 transitions. [2023-12-02 20:54:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-12-02 20:54:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 20:54:19,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 20:54:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 76 transitions. [2023-12-02 20:54:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-02 20:54:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 20:54:19,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:19,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 70 transitions. [2023-12-02 20:54:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-12-02 20:54:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 20:54:19,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 76 transitions. [2023-12-02 20:54:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-02 20:54:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 20:54:19,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:19,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 83 transitions. [2023-12-02 20:54:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-12-02 20:54:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 20:54:20,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:20,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:54:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 62 transitions. [2023-12-02 20:54:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-12-02 20:54:20,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 20:54:20,543 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-12-02 20:54:20,551 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 20:54:20,661 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:54:20,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:54:20 ImpRootNode [2023-12-02 20:54:20,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:54:20,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:54:20,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:54:20,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:54:20,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:16" (3/4) ... [2023-12-02 20:54:20,670 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:54:20,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 20:54:20,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 20:54:20,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2023-12-02 20:54:20,684 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 20:54:20,685 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 20:54:20,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:54:20,687 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:54:20,817 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 20:54:20,817 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 20:54:20,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:54:20,818 INFO L158 Benchmark]: Toolchain (without parser) took 6010.55ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 120.1MB in the beginning and 200.5MB in the end (delta: -80.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,819 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:54:20,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.64ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 101.6MB in the end (delta: 18.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.49ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 98.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,820 INFO L158 Benchmark]: Boogie Preprocessor took 32.15ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,821 INFO L158 Benchmark]: RCFGBuilder took 773.08ms. Allocated memory is still 155.2MB. Free memory was 95.9MB in the beginning and 84.4MB in the end (delta: 11.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,821 INFO L158 Benchmark]: CodeCheck took 3896.49ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 84.4MB in the beginning and 208.8MB in the end (delta: -124.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:54:20,821 INFO L158 Benchmark]: Witness Printer took 149.91ms. Allocated memory is still 251.7MB. Free memory was 208.8MB in the beginning and 200.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 20:54:20,823 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, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1902 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 1519 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 476 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 476 mSolverCounterUnsat, 1191 mSDtfsCounter, 885 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3162 GetRequests, 3096 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 58/58 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 65.9MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.64ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 101.6MB in the end (delta: 18.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.49ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 98.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.15ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.08ms. Allocated memory is still 155.2MB. Free memory was 95.9MB in the beginning and 84.4MB in the end (delta: 11.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 3896.49ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 84.4MB in the beginning and 208.8MB in the end (delta: -124.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 149.91ms. Allocated memory is still 251.7MB. Free memory was 208.8MB in the beginning and 200.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 20:54:20,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcd42a8-0adb-48ba-b4ea-b8976560e570/bin/ukojak-verify-Qdu7aM0XO9/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