./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/filter2_set.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_set.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b --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 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:19:58,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:19:58,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:19:58,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:19:58,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:19:58,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:19:58,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:19:58,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:19:58,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:19:58,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:19:58,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:19:58,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:19:58,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:19:58,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:19:58,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:19:58,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:19:58,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:58,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:19:58,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:19:58,169 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_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b 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 -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1 [2024-12-05 23:19:58,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:19:58,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:19:58,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:19:58,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:19:58,429 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:19:58,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter2_set.c [2024-12-05 23:20:01,048 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/data/d724caa05/bebbcc040c124ff8bdca49b30d046cce/FLAGb49f117dc [2024-12-05 23:20:01,258 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:01,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/sv-benchmarks/c/float-benchs/filter2_set.c [2024-12-05 23:20:01,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/data/d724caa05/bebbcc040c124ff8bdca49b30d046cce/FLAGb49f117dc [2024-12-05 23:20:01,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/data/d724caa05/bebbcc040c124ff8bdca49b30d046cce [2024-12-05 23:20:01,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:01,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:01,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:01,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:01,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:01,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a63d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01, skipping insertion in model container [2024-12-05 23:20:01,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:01,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:01,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:01,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:01,833 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:01,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01 WrapperNode [2024-12-05 23:20:01,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:01,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:01,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:01,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:01,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,862 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-12-05 23:20:01,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:01,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:01,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:01,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:01,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,875 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:01,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:01,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:01,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:01,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:01" (1/1) ... [2024-12-05 23:20:01,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:01,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:01,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:20:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:20:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:20:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:02,002 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:02,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:02,117 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-05 23:20:02,117 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:02,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:20:02,151 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:20:02,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:02 BoogieIcfgContainer [2024-12-05 23:20:02,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:20:02,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:20:02,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:20:02,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:20:02,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:02" (1/1) ... [2024-12-05 23:20:02,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:20:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-05 23:20:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-05 23:20:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:20:02,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 23:20:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-05 23:20:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-05 23:20:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:20:02,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 23:20:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-12-05 23:20:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-12-05 23:20:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 23:20:02,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 23:20:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-12-05 23:20:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-12-05 23:20:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 23:20:02,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:02,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-05 23:20:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 39 transitions. [2024-12-05 23:20:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-12-05 23:20:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 23:20:03,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 23:20:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 31 transitions. [2024-12-05 23:20:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-05 23:20:03,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:20:03,431 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 23:20:03,440 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-05 23:20:03,488 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-12-05 23:20:03,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) the Hoare annotation is: true [2024-12-05 23:20:03,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:20:03,488 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: true [2024-12-05 23:20:03,488 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L46-3(line 46) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L46-4(line 46) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L46-5(lines 46 58) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L40-1(line 40) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-12-05 23:20:03,489 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) the Hoare annotation is: true [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point L51-1(line 51) the Hoare annotation is: true [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 16) the Hoare annotation is: true [2024-12-05 23:20:03,490 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 14 16) the Hoare annotation is: true [2024-12-05 23:20:03,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:20:03 ImpRootNode [2024-12-05 23:20:03,506 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:20:03,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:20:03,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:20:03,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:20:03,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:02" (3/4) ... [2024-12-05 23:20:03,510 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:20:03,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 23:20:03,517 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-05 23:20:03,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 23:20:03,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:20:03,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:20:03,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:20:03,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:20:03,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:20:03,610 INFO L158 Benchmark]: Toolchain (without parser) took 1973.46ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 51.4MB in the end (delta: 66.1MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-12-05 23:20:03,610 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:03,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.51ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:20:03,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.82ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:03,611 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 791.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:03,611 INFO L158 Benchmark]: RCFGBuilder took 269.41ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:20:03,612 INFO L158 Benchmark]: CodeCheck took 1353.29ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 56.5MB in the end (delta: 34.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-12-05 23:20:03,612 INFO L158 Benchmark]: Witness Printer took 102.17ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 51.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:03,614 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 0.4s 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, 120 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 942 GetRequests, 906 SyntacticMatches, 10 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 355/368 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.51ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.82ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 791.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.41ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 91.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1353.29ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 56.5MB in the end (delta: 34.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 102.17ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 51.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:20:03,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250cbb67-fa5c-41fa-8776-a0a0500c6a11/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE