./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/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_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/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_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/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 ec7a0b49047ff5c05b905dcdd8f78cb997cafd8d829ad3cf6a5dee5b3edf228d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:24,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:24,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:06:24,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:24,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:24,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:24,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:24,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:24,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:24,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:24,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:24,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:24,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:24,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:24,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:24,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:24,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:24,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:24,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:24,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:24,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:24,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:24,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:24,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:24,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:24,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:24,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:24,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:24,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:24,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:24,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:24,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:24,621 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_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec7a0b49047ff5c05b905dcdd8f78cb997cafd8d829ad3cf6a5dee5b3edf228d [2023-11-19 03:06:24,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:24,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:24,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:24,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:24,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:24,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i [2023-11-19 03:06:28,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:28,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:28,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_22_good.i [2023-11-19 03:06:28,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/data/4b29ebaa8/0ce3a67c816440d1990f8d9326ae4b60/FLAG4c56d1baf [2023-11-19 03:06:28,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/data/4b29ebaa8/0ce3a67c816440d1990f8d9326ae4b60 [2023-11-19 03:06:28,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:28,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:28,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:28,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:28,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:28,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:28" (1/1) ... [2023-11-19 03:06:28,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cebfa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:28, skipping insertion in model container [2023-11-19 03:06:28,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:28" (1/1) ... [2023-11-19 03:06:28,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:29,299 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:29,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:29,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:30,017 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:30,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:30,422 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,422 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,423 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,423 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,423 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,431 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:30,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30 WrapperNode [2023-11-19 03:06:30,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:30,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:30,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:30,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:30,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,584 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 85 [2023-11-19 03:06:30,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:30,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:30,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:30,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:30,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:30,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:30,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:30,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:30,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:30,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:30,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:06:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:06:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:06:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:06:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:06:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:31,022 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:31,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:31,221 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:31,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:31,275 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:06:31,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31 BoogieIcfgContainer [2023-11-19 03:06:31,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:31,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:31,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:31,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:31,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31" (1/1) ... [2023-11-19 03:06:31,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-19 03:06:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 03:06:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:06:31,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,730 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 03:06:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2023-11-19 03:06:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-19 03:06:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:06:31,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,891 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 03:06:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 38 transitions. [2023-11-19 03:06:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-19 03:06:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:06:31,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,195 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 03:06:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 30 transitions. [2023-11-19 03:06:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-19 03:06:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:32,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,340 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 03:06:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 29 transitions. [2023-11-19 03:06:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 03:06:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:32,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,701 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 03:06:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 28 transitions. [2023-11-19 03:06:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:06:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:32,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,892 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 03:06:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 27 transitions. [2023-11-19 03:06:33,108 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-19 03:06:33,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:06:33,109 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:06:33,120 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 03:06:33,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:33,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:33 ImpRootNode [2023-11-19 03:06:33,168 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:33,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:33,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:33,170 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:33,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31" (3/4) ... [2023-11-19 03:06:33,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:06:33,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:06:33,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:06:33,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:06:33,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:06:33,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:06:33,186 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:06:33,317 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:06:33,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:06:33,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:33,325 INFO L158 Benchmark]: Toolchain (without parser) took 4553.93ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 108.5MB in the end (delta: 27.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,326 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:33,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.77ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 142.9MB in the end (delta: -7.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.11ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 139.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,329 INFO L158 Benchmark]: Boogie Preprocessor took 79.70ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,329 INFO L158 Benchmark]: RCFGBuilder took 611.43ms. Allocated memory is still 186.6MB. Free memory was 137.8MB in the beginning and 121.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,330 INFO L158 Benchmark]: CodeCheck took 1887.25ms. Allocated memory is still 186.6MB. Free memory was 121.9MB in the beginning and 113.7MB in the end (delta: 8.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,330 INFO L158 Benchmark]: Witness Printer took 154.78ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 108.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:33,334 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, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 174 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 595 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.77ms. Allocated memory is still 186.6MB. Free memory was 135.9MB in the beginning and 142.9MB in the end (delta: -7.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.11ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 139.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.70ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 137.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.43ms. Allocated memory is still 186.6MB. Free memory was 137.8MB in the beginning and 121.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1887.25ms. Allocated memory is still 186.6MB. Free memory was 121.9MB in the beginning and 113.7MB in the end (delta: 8.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 154.78ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 108.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:06:33,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8b84f1-946a-4cd1-aa1b-dbc3e46e4905/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