./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/filter2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:50:46,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:50:46,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:50:46,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:50:46,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:50:46,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:50:46,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:50:46,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:50:46,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:50:46,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:50:46,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:50:46,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:50:46,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:50:46,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:50:46,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:50:46,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:50:46,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:50:46,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:50:46,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:50:46,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:46,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:50:46,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:50:46,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:50:46,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:50:46,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:50:46,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2024-11-13 22:50:47,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:50:47,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:50:47,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:50:47,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:50:47,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:50:47,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/filter2.c Unable to find full path for "g++" [2024-11-13 22:50:48,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:50:49,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:50:49,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/sv-benchmarks/c/float-benchs/filter2.c [2024-11-13 22:50:49,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/data/cfa4734c7/645daa87ebd44d6b9293245a379e845b/FLAGe4c54f9c9 [2024-11-13 22:50:49,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/data/cfa4734c7/645daa87ebd44d6b9293245a379e845b [2024-11-13 22:50:49,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:50:49,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:50:49,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:49,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:50:49,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:50:49,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e5e8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49, skipping insertion in model container [2024-11-13 22:50:49,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:50:49,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:49,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:50:49,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:50:49,504 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:50:49,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49 WrapperNode [2024-11-13 22:50:49,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:50:49,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:49,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:50:49,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:50:49,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,538 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 22:50:49,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:50:49,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:50:49,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:50:49,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:50:49,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:50:49,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:50:49,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:50:49,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:50:49,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:50:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:50:49,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:50:49,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:50:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:50:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:50:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:50:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:50:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:50:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:50:49,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:50:49,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:50:49,903 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:50:49,903 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:50:49,962 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:50:49,962 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:50:49,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:49 BoogieIcfgContainer [2024-11-13 22:50:49,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:50:49,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:50:49,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:50:49,975 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:50:49,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:49" (1/1) ... [2024-11-13 22:50:49,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:50:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 22:50:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 22:50:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:50:50,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:50:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 22:50:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 22:50:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:50:50,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:50,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:50:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:50:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:50:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:50:50,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:50,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:50:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 22:50:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 22:50:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:50:51,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:51,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:50:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 28 transitions. [2024-11-13 22:50:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 22:50:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:50:51,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:50:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:50:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 22:50:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:50:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 20 transitions. [2024-11-13 22:50:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 22:50:51,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:50:51,729 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 22:50:51,743 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 22:50:51,796 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-13 22:50:51,797 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:50:51,797 INFO L77 FloydHoareUtils]: At program point L33-2(line 33) the Hoare annotation is: true [2024-11-13 22:50:51,799 INFO L77 FloydHoareUtils]: At program point L33-3(line 33) the Hoare annotation is: true [2024-11-13 22:50:51,800 INFO L77 FloydHoareUtils]: At program point L33-4(lines 33 45) the Hoare annotation is: true [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point L38-1(line 38) the Hoare annotation is: true [2024-11-13 22:50:51,801 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-13 22:50:51,802 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:50:51,802 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 16) the Hoare annotation is: true [2024-11-13 22:50:51,802 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 14 16) the Hoare annotation is: true [2024-11-13 22:50:51,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:50:51 ImpRootNode [2024-11-13 22:50:51,817 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:50:51,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:50:51,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:50:51,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:50:51,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:50:49" (3/4) ... [2024-11-13 22:50:51,821 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:50:51,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:50:51,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 22:50:51,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:50:51,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:50:51,831 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:50:51,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:50:51,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:50:51,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:50:51,904 INFO L158 Benchmark]: Toolchain (without parser) took 2675.35ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 40.2MB in the end (delta: 52.9MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-13 22:50:51,905 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:51,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.82ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:51,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.79ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:51,906 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 755.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:50:51,906 INFO L158 Benchmark]: RCFGBuilder took 392.47ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:51,906 INFO L158 Benchmark]: CodeCheck took 1852.16ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 44.8MB in the end (delta: 24.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-13 22:50:51,907 INFO L158 Benchmark]: Witness Printer took 85.87ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 40.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:50:51,909 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 65 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 556 SyntacticMatches, 10 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 65/78 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.82ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.79ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 755.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.47ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 68.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1852.16ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 44.8MB in the end (delta: 24.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 85.87ms. Allocated memory is still 117.4MB. Free memory was 44.8MB in the beginning and 40.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:50:51,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f2ebf2f-a9c5-40f0-b24c-74d4107579e2/bin/ukojak-verify-EEHR8qb7sm/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