./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/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_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/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_5b2f08ea-715a-4dd9-b06a-7e74e561655b/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 2cffa9c83dceffcab51ae28a2e9e4af309649d5379be8d53d464d763bd5de99d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:44,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:44,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:50:44,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:44,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:44,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:44,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:44,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:44,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:44,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:44,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:44,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:44,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:44,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:44,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:44,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:44,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:44,605 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:50:44,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:44,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:44,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:44,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:44,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:44,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:44,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:44,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:44,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:44,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:44,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:44,614 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:44,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:44,616 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:44,617 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_5b2f08ea-715a-4dd9-b06a-7e74e561655b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cffa9c83dceffcab51ae28a2e9e4af309649d5379be8d53d464d763bd5de99d [2023-11-19 02:50:44,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:44,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:44,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:44,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:44,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:44,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i [2023-11-19 02:50:48,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:48,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:48,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_07_good.i [2023-11-19 02:50:48,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/data/307889a6e/57682c69bd8f4fec81bd094ce43f7089/FLAG0e60e2032 [2023-11-19 02:50:48,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/data/307889a6e/57682c69bd8f4fec81bd094ce43f7089 [2023-11-19 02:50:48,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:48,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:48,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:48,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:48,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:48,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:48" (1/1) ... [2023-11-19 02:50:48,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e74e3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:48, skipping insertion in model container [2023-11-19 02:50:48,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:48" (1/1) ... [2023-11-19 02:50:48,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:49,160 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:49,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:49,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:49,896 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:50:49,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:50,100 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:50,100 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:50,100 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:50,101 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:50,101 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:50,109 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:50,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50 WrapperNode [2023-11-19 02:50:50,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:50,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:50,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:50,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:50,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,179 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-11-19 02:50:50,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:50,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:50,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:50,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:50,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:50,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:50,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:50,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:50,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:50,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:50,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 02:50:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 02:50:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:50:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:50:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:50:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:50,538 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:50,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:50,733 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:50,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:50,816 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:50:50,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:50 BoogieIcfgContainer [2023-11-19 02:50:50,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:50,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:50,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:50,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:50,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:50" (1/1) ... [2023-11-19 02:50:50,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-19 02:50:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-19 02:50:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:50:50,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:50,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,282 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 02:50:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 55 transitions. [2023-11-19 02:50:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-19 02:50:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:50:51,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,514 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 02:50:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 52 transitions. [2023-11-19 02:50:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-19 02:50:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:50:51,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,724 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 02:50:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 44 transitions. [2023-11-19 02:50:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-19 02:50:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:50:51,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:51,869 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 02:50:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 43 transitions. [2023-11-19 02:50:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-19 02:50:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:50:51,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:51,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 47 transitions. [2023-11-19 02:50:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-19 02:50:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:50:52,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 48 transitions. [2023-11-19 02:50:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 02:50:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:50:52,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:50:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 33 states and 38 transitions. [2023-11-19 02:50:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 02:50:52,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:50:52,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 33 states and 37 transitions. [2023-11-19 02:50:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-19 02:50:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:50:52,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 32 states and 36 transitions. [2023-11-19 02:50:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-19 02:50:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:50:52,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:52,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 31 states and 35 transitions. [2023-11-19 02:50:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-19 02:50:52,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:50:52,813 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-19 02:50:52,823 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 02:50:52,916 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:50:52,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:52 ImpRootNode [2023-11-19 02:50:52,921 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:52,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:52,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:52,922 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:52,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:50" (3/4) ... [2023-11-19 02:50:52,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:50:52,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 02:50:52,929 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 02:50:52,934 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 02:50:52,935 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 02:50:52,935 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:50:52,936 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:50:53,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:50:53,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:50:53,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:53,045 INFO L158 Benchmark]: Toolchain (without parser) took 4433.09ms. Allocated memory is still 213.9MB. Free memory was 163.5MB in the beginning and 123.6MB in the end (delta: 39.9MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,046 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:53,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1496.66ms. Allocated memory is still 213.9MB. Free memory was 163.5MB in the beginning and 102.7MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 213.9MB. Free memory was 102.7MB in the beginning and 99.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,047 INFO L158 Benchmark]: Boogie Preprocessor took 58.09ms. Allocated memory is still 213.9MB. Free memory was 99.0MB in the beginning and 181.2MB in the end (delta: -82.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,048 INFO L158 Benchmark]: RCFGBuilder took 589.08ms. Allocated memory is still 213.9MB. Free memory was 181.2MB in the beginning and 163.6MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,048 INFO L158 Benchmark]: CodeCheck took 2091.32ms. Allocated memory is still 213.9MB. Free memory was 163.6MB in the beginning and 128.7MB in the end (delta: 34.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,049 INFO L158 Benchmark]: Witness Printer took 123.27ms. Allocated memory is still 213.9MB. Free memory was 128.7MB in the beginning and 123.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:50:53,051 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 750 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 580 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 458 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1512 GetRequests, 1490 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 48/48 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1496.66ms. Allocated memory is still 213.9MB. Free memory was 163.5MB in the beginning and 102.7MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 213.9MB. Free memory was 102.7MB in the beginning and 99.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.09ms. Allocated memory is still 213.9MB. Free memory was 99.0MB in the beginning and 181.2MB in the end (delta: -82.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 589.08ms. Allocated memory is still 213.9MB. Free memory was 181.2MB in the beginning and 163.6MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2091.32ms. Allocated memory is still 213.9MB. Free memory was 163.6MB in the beginning and 128.7MB in the end (delta: 34.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 123.27ms. Allocated memory is still 213.9MB. Free memory was 128.7MB in the beginning and 123.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:50:53,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2f08ea-715a-4dd9-b06a-7e74e561655b/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