./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:01:26,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:01:26,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:01:26,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:01:26,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:01:26,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:01:26,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:01:26,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:01:26,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:01:26,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:01:26,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:01:26,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:01:26,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:01:26,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:01:26,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:01:26,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:01:26,464 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:01:26,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:01:26,465 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_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2024-11-25 05:01:26,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:01:26,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:01:26,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:01:26,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:01:26,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:01:26,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2024-11-25 05:01:29,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/bac5a6fa1/fcd9bd746bed4688a15ef197f5565c9f/FLAG6868332e1 [2024-11-25 05:01:30,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:01:30,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2024-11-25 05:01:30,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/bac5a6fa1/fcd9bd746bed4688a15ef197f5565c9f/FLAG6868332e1 [2024-11-25 05:01:30,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/bac5a6fa1/fcd9bd746bed4688a15ef197f5565c9f [2024-11-25 05:01:30,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:01:30,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:01:30,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:30,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:01:30,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:01:30,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40e423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30, skipping insertion in model container [2024-11-25 05:01:30,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:01:30,382 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2024-11-25 05:01:30,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:30,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:01:30,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2024-11-25 05:01:30,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:30,449 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:01:30,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30 WrapperNode [2024-11-25 05:01:30,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:30,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:30,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:01:30,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:01:30,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,501 INFO L138 Inliner]: procedures = 18, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 201 [2024-11-25 05:01:30,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:30,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:01:30,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:01:30,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:01:30,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:01:30,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:01:30,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:01:30,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:01:30,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:30,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:01:30,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:01:30,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:01:30,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:01:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:01:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:01:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:01:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-25 05:01:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:01:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:01:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-25 05:01:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:01:30,733 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:01:30,734 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:01:30,972 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 05:01:30,972 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:01:30,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:01:30,999 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:01:30,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:30 BoogieIcfgContainer [2024-11-25 05:01:31,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:01:31,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:01:31,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:01:31,011 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:01:31,012 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:30" (1/1) ... [2024-11-25 05:01:31,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:01:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-25 05:01:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-25 05:01:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:01:31,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:31,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:01:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:01:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 05:01:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 05:01:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:01:31,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:31,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:01:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:01:31,585 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:01:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:01:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:01:31,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:01:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:01:31,706 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:01:31,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:01:31 ImpRootNode [2024-11-25 05:01:31,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:01:31,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:01:31,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:01:31,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:01:31,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:30" (3/4) ... [2024-11-25 05:01:31,744 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:01:31,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:01:31,746 INFO L158 Benchmark]: Toolchain (without parser) took 1595.98ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 58.6MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 05:01:31,746 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:01:31,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.00ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:01:31,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.61ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:01:31,748 INFO L158 Benchmark]: Boogie Preprocessor took 54.41ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:01:31,749 INFO L158 Benchmark]: RCFGBuilder took 442.33ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 87.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:01:31,749 INFO L158 Benchmark]: CodeCheck took 738.42ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 58.8MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:01:31,750 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 234.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:01:31,753 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 53]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 24, overapproximation of someBinaryFLOATComparisonOperation at line 34, overapproximation of someBinaryFLOATComparisonOperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L1] int __return_main; [L12] int __return_136; [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] float main__org[5] = { 1, 5, -10, 30, 20 }; [L21] float main__slope[5] = { 4, -15, 40, -10, 0 }; [L22] main__t = __VERIFIER_nondet_float() [L23] int main____CPAchecker_TMP_0; [L24] EXPR main__min[0] VAL [__return_136=0, __return_main=0, main__max={3156:0}] [L24] COND TRUE main__t >= (main__min[0]) [L26] EXPR main__max[4UL] VAL [__return_136=0, __return_main=0, main__max={3156:0}] [L26] COND TRUE main__t <= (main__max[4UL]) [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={3156:0}] [L29] COND TRUE main____CPAchecker_TMP_0 != 0 [L31] main__i = 0 VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L32] COND TRUE main__i < 5UL [L34] EXPR main__max[main__i] VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L34] COND TRUE main__t <= (main__max[main__i]) [L38] EXPR main__org[main__i] [L38] EXPR main__slope[main__i] [L38] EXPR main__min[main__i] [L38] EXPR main__max[main__i] [L38] EXPR main__min[main__i] [L38] main__z = (main__org[main__i]) + (((main__slope[main__i]) * (main__t - (main__min[main__i]))) / ((main__max[main__i]) - (main__min[main__i]))) [L39] int main____CPAchecker_TMP_1; VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L40] COND FALSE !(main__z >= -10.0) VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L66] main____CPAchecker_TMP_1 = 0 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_1=0, main__i=0, main__max={3156:0}] [L47] int __tmp_1; [L48] __tmp_1 = main____CPAchecker_TMP_1 [L49] int __VERIFIER_assert__cond; [L50] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L51] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] [L53] reach_error() VAL [__return_136=0, __return_main=0, main__i=0, main__max={3156:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.00ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.9MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.61ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.41ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.33ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 87.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 738.42ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 58.8MB in the end (delta: 28.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 142.6MB. Free memory was 58.8MB in the beginning and 58.6MB in the end (delta: 234.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:01:31,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:01:34,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:01:34,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:01:34,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:01:34,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:01:34,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:01:34,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:01:34,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:01:34,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:01:34,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:01:34,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:01:34,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:01:34,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:01:34,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:01:34,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:01:34,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:01:34,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:01:34,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:01:34,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:01:34,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:01:34,718 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:01:34,718 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:34,718 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:01:34,718 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_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2024-11-25 05:01:35,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:01:35,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:01:35,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:01:35,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:01:35,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:01:35,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2024-11-25 05:01:38,245 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/5f6e70d62/346d58673d124dec9c3571496a196975/FLAG46ab14d4a [2024-11-25 05:01:38,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:01:38,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2024-11-25 05:01:38,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/5f6e70d62/346d58673d124dec9c3571496a196975/FLAG46ab14d4a [2024-11-25 05:01:38,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/data/5f6e70d62/346d58673d124dec9c3571496a196975 [2024-11-25 05:01:38,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:01:38,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:01:38,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:38,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:01:38,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:01:38,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eccd914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38, skipping insertion in model container [2024-11-25 05:01:38,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:01:38,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2024-11-25 05:01:38,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:38,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:01:38,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2024-11-25 05:01:38,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:01:38,825 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:01:38,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38 WrapperNode [2024-11-25 05:01:38,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:01:38,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:38,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:01:38,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:01:38,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,873 INFO L138 Inliner]: procedures = 19, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 202 [2024-11-25 05:01:38,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:01:38,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:01:38,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:01:38,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:01:38,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:01:38,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:01:38,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:01:38,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:01:38,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2024-11-25 05:01:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:01:38,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:01:38,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:01:38,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:01:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:01:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-25 05:01:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:01:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 05:01:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 05:01:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:01:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:01:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:01:39,139 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:01:39,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:01:49,945 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-25 05:01:49,947 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:01:49,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:01:49,992 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:01:49,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:49 BoogieIcfgContainer [2024-11-25 05:01:49,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:01:49,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:01:49,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:01:50,004 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:01:50,005 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:49" (1/1) ... [2024-11-25 05:01:50,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:01:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-25 05:01:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-25 05:01:50,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:01:50,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:50,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:50,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:50,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:50,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:01:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:50,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:50,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:01:50,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:01:50,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:01:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-25 05:01:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-25 05:01:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:01:50,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:50,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:50,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:01:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:52,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:02:02,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 05:02:02,628 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:02:02,638 INFO L158 Benchmark]: Toolchain (without parser) took 24131.04ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.1MB in the end (delta: 12.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-25 05:02:02,638 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:02,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.32ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:02:02,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:02:02,640 INFO L158 Benchmark]: Boogie Preprocessor took 49.20ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:02,640 INFO L158 Benchmark]: RCFGBuilder took 11067.57ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 54.4MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:02:02,641 INFO L158 Benchmark]: CodeCheck took 12639.27ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 80.1MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:02,648 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.32ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.20ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11067.57ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 54.4MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12639.27ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 80.1MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:02:02,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_653e2757-f52d-4bcb-b332-970be53fde8c/bin/ukojak-verify-ENZ3QT5qd3/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown