./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC --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 b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:46,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:46,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:08:46,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:46,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:46,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:46,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:46,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:46,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:46,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:46,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:46,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:46,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:46,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:46,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:46,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:46,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:46,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:46,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:46,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:46,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:46,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:46,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:46,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:46,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:46,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:46,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:46,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:46,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:46,642 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:46,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:46,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:46,645 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_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad [2023-11-23 20:08:47,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:47,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:47,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:47,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:47,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:47,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2023-11-23 20:08:50,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:50,719 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:50,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2023-11-23 20:08:50,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/data/6a47ce5e1/9ced5f2035614076998215efa42104b1/FLAG10b80d9a4 [2023-11-23 20:08:50,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/data/6a47ce5e1/9ced5f2035614076998215efa42104b1 [2023-11-23 20:08:50,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:50,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:50,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:50,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:50,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:50,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2044e2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:50, skipping insertion in model container [2023-11-23 20:08:50,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:50" (1/1) ... [2023-11-23 20:08:50,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:51,307 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:08:51,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:51,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:51,990 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:08:52,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:52,261 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:52,261 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:52,262 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:52,262 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:52,262 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:52,270 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:52,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52 WrapperNode [2023-11-23 20:08:52,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:52,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:52,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:52,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:52,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,384 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-23 20:08:52,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:52,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:52,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:52,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:52,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:52,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:52,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:52,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:52,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:52" (1/1) ... [2023-11-23 20:08:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:52,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:52,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:52,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:08:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:08:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:08:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:08:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:08:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:52,690 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:52,692 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:52,963 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:53,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:53,269 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:08:53,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:53 BoogieIcfgContainer [2023-11-23 20:08:53,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:53,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:53,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:53,286 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:53,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-23 20:08:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-23 20:08:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:08:53,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:08:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:08:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:08:53,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:08:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:08:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:08:53,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:08:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:08:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:08:54,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:54,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-23 20:08:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-23 20:08:54,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:08:54,332 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-23 20:08:54,344 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:08:54,377 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:08:54,381 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:08:54,382 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:08:54,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:54 ImpRootNode [2023-11-23 20:08:54,382 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:54,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:54,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:54,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:54,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:53" (3/4) ... [2023-11-23 20:08:54,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:08:54,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:08:54,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:08:54,400 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-11-23 20:08:54,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:08:54,401 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:08:54,402 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:08:54,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:08:54,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:08:54,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:54,548 INFO L158 Benchmark]: Toolchain (without parser) took 3776.34ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 95.3MB in the beginning and 95.3MB in the end (delta: 11.6kB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,549 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 144.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:54,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1498.48ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 130.6MB in the end (delta: -35.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.21ms. Allocated memory is still 192.9MB. Free memory was 129.6MB in the beginning and 126.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,550 INFO L158 Benchmark]: Boogie Preprocessor took 63.68ms. Allocated memory is still 192.9MB. Free memory was 126.6MB in the beginning and 125.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,551 INFO L158 Benchmark]: RCFGBuilder took 823.06ms. Allocated memory is still 192.9MB. Free memory was 125.4MB in the beginning and 154.8MB in the end (delta: -29.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,551 INFO L158 Benchmark]: CodeCheck took 1107.89ms. Allocated memory is still 192.9MB. Free memory was 154.8MB in the beginning and 100.5MB in the end (delta: 54.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,551 INFO L158 Benchmark]: Witness Printer took 164.66ms. Allocated memory is still 192.9MB. Free memory was 100.5MB in the beginning and 95.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:54,554 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 38 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: 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 144.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1498.48ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 130.6MB in the end (delta: -35.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.21ms. Allocated memory is still 192.9MB. Free memory was 129.6MB in the beginning and 126.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.68ms. Allocated memory is still 192.9MB. Free memory was 126.6MB in the beginning and 125.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.06ms. Allocated memory is still 192.9MB. Free memory was 125.4MB in the beginning and 154.8MB in the end (delta: -29.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 1107.89ms. Allocated memory is still 192.9MB. Free memory was 154.8MB in the beginning and 100.5MB in the end (delta: 54.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 164.66ms. Allocated memory is still 192.9MB. Free memory was 100.5MB in the beginning and 95.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:08:54,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b73c2a-8ded-4f03-b1f0-b3a93a384464/bin/ukojak-verify-1t5iHCbJaC/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