./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2 --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 77a84f497208051d37edbc89e761b46d23e901d0413dc78c85c1176494bad945 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:14,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:14,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:33:14,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:14,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:14,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:14,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:14,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:14,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:14,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:14,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:14,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:14,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:14,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:14,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:14,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:14,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:14,788 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:14,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:14,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:14,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:14,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:14,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:14,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:14,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:14,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:14,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:14,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:14,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:14,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:14,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:14,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:14,796 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_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a84f497208051d37edbc89e761b46d23e901d0413dc78c85c1176494bad945 [2023-11-21 18:33:15,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:15,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:15,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:15,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:15,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:15,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-restricted-15/PastaA4.c [2023-11-21 18:33:18,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:18,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:18,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/sv-benchmarks/c/termination-restricted-15/PastaA4.c [2023-11-21 18:33:18,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/data/0a9339933/60f2040f627046528ba99b911122929e/FLAG8989ba36e [2023-11-21 18:33:18,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/data/0a9339933/60f2040f627046528ba99b911122929e [2023-11-21 18:33:18,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:18,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:18,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:18,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:18,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:18,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494ba55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18, skipping insertion in model container [2023-11-21 18:33:18,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:18,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:18,543 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:18,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:18,565 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:18,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18 WrapperNode [2023-11-21 18:33:18,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:18,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:18,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:18,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:18,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,595 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-11-21 18:33:18,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:18,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:18,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:18,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:18,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:18,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:18,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:18,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:18,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:18,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:18,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:18,784 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:18,787 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:18,891 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:18,940 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:18,940 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:18,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:18 BoogieIcfgContainer [2023-11-21 18:33:18,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:18,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:18,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:18,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:18,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:18" (1/1) ... [2023-11-21 18:33:18,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 18:33:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 18:33:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:33:19,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-21 18:33:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-21 18:33:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:33:19,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:19,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-21 18:33:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-21 18:33:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:33:19,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-21 18:33:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-21 18:33:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:33:19,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2023-11-21 18:33:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2023-11-21 18:33:19,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:33:19,768 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-21 18:33:19,778 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-21 18:33:19,829 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-21 18:33:19,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:19 ImpRootNode [2023-11-21 18:33:19,837 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:33:19,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:33:19,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:33:19,844 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:33:19,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:18" (3/4) ... [2023-11-21 18:33:19,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:33:19,862 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:33:19,862 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:33:19,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 18:33:19,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:33:19,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:33:19,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:33:19,978 INFO L158 Benchmark]: Toolchain (without parser) took 1601.96ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 117.4MB in the end (delta: 5.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:19,978 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:19,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.74ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 113.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:19,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:19,980 INFO L158 Benchmark]: Boogie Preprocessor took 25.49ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 111.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:19,980 INFO L158 Benchmark]: RCFGBuilder took 319.68ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 101.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:33:19,981 INFO L158 Benchmark]: CodeCheck took 894.04ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 121.6MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:19,981 INFO L158 Benchmark]: Witness Printer took 133.93ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:19,984 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 0 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/5 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.74ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 113.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 153.1MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.49ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 111.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.68ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 101.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 894.04ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 121.6MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 133.93ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:33:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557144d5-6e54-4ec9-83f6-27e90eb0dff4/bin/ukojak-verify-i0I2FZA1j2/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