./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c --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_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/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_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/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_ccc9e4e3-716b-4e93-93af-2771a77b615f/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 c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:27,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:27,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:14:27,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:27,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:27,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:27,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:27,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:27,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:27,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:27,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:27,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:27,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:27,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:27,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:27,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:27,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:27,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:27,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:27,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:27,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:27,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:27,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:27,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:27,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:27,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:27,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:27,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:27,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:27,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:27,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:27,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:27,768 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_ccc9e4e3-716b-4e93-93af-2771a77b615f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 [2023-11-19 03:14:27,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:28,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:28,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:28,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:28,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:28,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-restricted-15/PastaC3.c [2023-11-19 03:14:31,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:31,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:31,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/sv-benchmarks/c/termination-restricted-15/PastaC3.c [2023-11-19 03:14:31,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/data/9be0b29f4/c66ab87e8b3845c893091cd3ca91000c/FLAG52c5e9404 [2023-11-19 03:14:31,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/data/9be0b29f4/c66ab87e8b3845c893091cd3ca91000c [2023-11-19 03:14:31,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:31,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:31,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:31,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:31,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:31,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723967a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31, skipping insertion in model container [2023-11-19 03:14:31,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:31,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:31,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:31,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:31,662 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:31,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31 WrapperNode [2023-11-19 03:14:31,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:31,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:31,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:31,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:31,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,695 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-19 03:14:31,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:31,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:31,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:31,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:31,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:31,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:31,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:31,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:31,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:31" (1/1) ... [2023-11-19 03:14:31,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:31,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:31,883 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:31,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:31,992 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:32,015 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:32,015 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:32,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32 BoogieIcfgContainer [2023-11-19 03:14:32,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:32,021 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:32,022 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:32,033 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:32,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32" (1/1) ... [2023-11-19 03:14:32,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-19 03:14:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-19 03:14:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:32,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:32,279 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 03:14:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:14:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:14:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:32,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:32,446 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 03:14:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 03:14:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 03:14:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:14:32,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:32,674 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 03:14:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2023-11-19 03:14:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2023-11-19 03:14:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:14:33,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,148 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 03:14:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-19 03:14:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-19 03:14:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:33,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:14:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:14:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:33,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,452 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 03:14:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2023-11-19 03:14:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 03:14:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:33,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,678 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 03:14:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-19 03:14:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-19 03:14:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:33,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-19 03:14:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-19 03:14:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:14:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:34,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:14:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-19 03:14:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:14:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:14:34,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:34,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:14:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 03:14:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 03:14:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:14:34,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-19 03:14:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-19 03:14:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:14:35,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 03:14:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 03:14:35,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:14:35,676 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-19 03:14:35,685 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:14:35,735 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 03:14:35,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:35 ImpRootNode [2023-11-19 03:14:35,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:35,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:35,744 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:35,744 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:35,745 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:32" (3/4) ... [2023-11-19 03:14:35,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:14:35,754 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:14:35,754 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:14:35,754 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:14:35,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:35,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:14:35,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:35,845 INFO L158 Benchmark]: Toolchain (without parser) took 4401.27ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 138.5MB in the beginning and 142.0MB in the end (delta: -3.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,845 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:35,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.30ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 128.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.5MB in the end (delta: 932.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:35,847 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 126.5MB in the end (delta: 963.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,848 INFO L158 Benchmark]: RCFGBuilder took 303.37ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 116.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,849 INFO L158 Benchmark]: CodeCheck took 3722.16ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 116.5MB in the beginning and 146.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,849 INFO L158 Benchmark]: Witness Printer took 100.29ms. Allocated memory is still 211.8MB. Free memory was 146.1MB in the beginning and 142.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:14:35,852 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 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 290 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1261 IncrementalHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 290 mSolverCounterUnsat, 24 mSDtfsCounter, 1261 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 942 GetRequests, 817 SyntacticMatches, 53 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1826 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 16/42 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 13]: Loop Invariant Derived loop invariant: (((0 <= (z + 2147483648)) && (0 <= (x + 2147483648))) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.30ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 128.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 127.5MB in the end (delta: 932.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 126.5MB in the end (delta: 963.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.37ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 116.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3722.16ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 116.5MB in the beginning and 146.1MB in the end (delta: -29.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 100.29ms. Allocated memory is still 211.8MB. Free memory was 146.1MB in the beginning and 142.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:14:35,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc9e4e3-716b-4e93-93af-2771a77b615f/bin/ukojak-verify-G8NBE6pJGL/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