./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 987a4b1c0aeb1c5f121fdbae36818cc86316f1e761d4ceba6cf83833c88eb5ff --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:20,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:20,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:57:20,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:20,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:20,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:20,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:20,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:20,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:20,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:20,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:20,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:20,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:20,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:20,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:20,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:20,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:20,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:20,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:20,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:20,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:20,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:20,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:20,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:20,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:20,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:20,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:20,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:20,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:20,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:20,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:20,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:20,586 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_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a4b1c0aeb1c5f121fdbae36818cc86316f1e761d4ceba6cf83833c88eb5ff [2023-11-24 22:57:20,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:20,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:20,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:20,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:20,967 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:20,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i [2023-11-24 22:57:24,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:24,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:24,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i [2023-11-24 22:57:24,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/data/b84af02dc/80520241607948d9936efc687c227491/FLAG08fb90ec6 [2023-11-24 22:57:24,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/data/b84af02dc/80520241607948d9936efc687c227491 [2023-11-24 22:57:24,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:24,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:24,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:24,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:24,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:24,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:24" (1/1) ... [2023-11-24 22:57:24,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4d6d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:24, skipping insertion in model container [2023-11-24 22:57:24,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:24" (1/1) ... [2023-11-24 22:57:24,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:25,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:25,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:25,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:26,076 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:26,077 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:26,077 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:26,077 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:26,087 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:26,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26 WrapperNode [2023-11-24 22:57:26,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:26,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:26,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:26,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:26,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,165 INFO L138 Inliner]: procedures = 502, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-24 22:57:26,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:26,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:26,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:26,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:26,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:26,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:26,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:26,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:26,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:26,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:26,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:26,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:57:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:57:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:57:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:57:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-24 22:57:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-24 22:57:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-24 22:57:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-24 22:57:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:57:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:26,503 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:26,506 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:26,751 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:26,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:26,821 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:57:26,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:26 BoogieIcfgContainer [2023-11-24 22:57:26,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:26,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:26,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:26,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:26,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:26" (1/1) ... [2023-11-24 22:57:26,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-11-24 22:57:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 22:57:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:26,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:26,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 92 transitions. [2023-11-24 22:57:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 22:57:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:27,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 91 transitions. [2023-11-24 22:57:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-11-24 22:57:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:57:27,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:27,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:57:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 87 transitions. [2023-11-24 22:57:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-24 22:57:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:57:28,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:57:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 79 transitions. [2023-11-24 22:57:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-24 22:57:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:57:28,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:57:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 78 transitions. [2023-11-24 22:57:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-24 22:57:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:57:29,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:57:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 85 transitions. [2023-11-24 22:57:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-24 22:57:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:57:29,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:57:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 68 states and 86 transitions. [2023-11-24 22:57:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-24 22:57:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:57:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:57:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 72 transitions. [2023-11-24 22:57:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-11-24 22:57:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:57:29,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:29,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 22:57:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 71 transitions. [2023-11-24 22:57:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2023-11-24 22:57:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:57:30,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:57:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 58 states and 70 transitions. [2023-11-24 22:57:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-11-24 22:57:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:57:30,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:57:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 69 transitions. [2023-11-24 22:57:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-24 22:57:30,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:57:30,750 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-11-24 22:57:30,761 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:57:30,934 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:30,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:30 ImpRootNode [2023-11-24 22:57:30,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:30,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:30,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:30,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:30,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:26" (3/4) ... [2023-11-24 22:57:30,943 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:57:30,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:57:30,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-24 22:57:30,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:57:30,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-24 22:57:30,955 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-24 22:57:30,956 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:57:30,957 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:57:30,957 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:57:31,102 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:57:31,102 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:57:31,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:31,104 INFO L158 Benchmark]: Toolchain (without parser) took 6417.71ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 96.3MB in the beginning and 106.0MB in the end (delta: -9.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,104 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:31,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.55ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 62.6MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.91ms. Allocated memory is still 144.7MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,106 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 144.7MB. Free memory was 59.0MB in the beginning and 57.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,106 INFO L158 Benchmark]: RCFGBuilder took 620.21ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 106.1MB in the end (delta: -48.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,107 INFO L158 Benchmark]: CodeCheck took 4114.98ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 106.1MB in the beginning and 112.2MB in the end (delta: -6.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,107 INFO L158 Benchmark]: Witness Printer took 162.92ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 106.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:31,110 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 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1535 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 1059 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 928 IncrementalHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 234 mSolverCounterUnsat, 939 mSDtfsCounter, 928 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3238 GetRequests, 3189 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 448 ConstructedInterpolants, 0 QuantifiedInterpolants, 601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 197/212 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.55ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 62.6MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.91ms. Allocated memory is still 144.7MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 144.7MB. Free memory was 59.0MB in the beginning and 57.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.21ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 106.1MB in the end (delta: -48.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 4114.98ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 106.1MB in the beginning and 112.2MB in the end (delta: -6.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 162.92ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 106.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:57:31,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ff6d6a-551c-4597-97fa-a6973255142d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE