./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:19:11,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:19:11,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:19:11,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:19:11,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:19:11,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:19:11,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:19:11,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:19:11,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:19:11,526 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:19:11,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:19:11,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:19:11,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:19:11,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:19:11,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:19:11,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:19:11,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:19:11,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:19:11,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:19:11,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:19:11,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:19:11,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:19:11,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:19:11,531 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff [2024-11-13 16:19:11,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:19:11,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:19:11,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:19:11,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:19:11,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:19:11,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i Unable to find full path for "g++" [2024-11-13 16:19:13,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:19:14,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:19:14,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 16:19:14,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/db31fc6bf/0617964453f14a00b5cf5833f78b6bdf/FLAGe2c0d4de6 [2024-11-13 16:19:14,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/db31fc6bf/0617964453f14a00b5cf5833f78b6bdf [2024-11-13 16:19:14,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:19:14,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:19:14,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:14,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:19:14,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:19:14,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340ec6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14, skipping insertion in model container [2024-11-13 16:19:14,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:19:14,448 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 16:19:14,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:14,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:19:14,530 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 16:19:14,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:14,573 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:19:14,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14 WrapperNode [2024-11-13 16:19:14,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:14,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:14,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:19:14,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:19:14,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,649 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-13 16:19:14,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:14,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:19:14,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:19:14,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:19:14,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,677 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 16:19:14,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:19:14,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:19:14,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:19:14,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:19:14,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (1/1) ... [2024-11-13 16:19:14,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:19:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:14,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:19:14,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:19:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:19:14,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:19:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:19:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:19:14,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:19:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:19:14,888 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:19:14,890 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:19:15,208 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:19:15,208 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:19:15,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:19:15,219 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:19:15,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:15 BoogieIcfgContainer [2024-11-13 16:19:15,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:19:15,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:19:15,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:19:15,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:19:15,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:19:14" (1/3) ... [2024-11-13 16:19:15,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382cdbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:19:15, skipping insertion in model container [2024-11-13 16:19:15,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:14" (2/3) ... [2024-11-13 16:19:15,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382cdbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:19:15, skipping insertion in model container [2024-11-13 16:19:15,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:15" (3/3) ... [2024-11-13 16:19:15,230 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 16:19:15,247 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:19:15,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-77.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:19:15,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:19:15,325 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ec66935, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:19:15,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:19:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:19:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:19:15,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:15,351 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:15,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:15,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:15,357 INFO L85 PathProgramCache]: Analyzing trace with hash 46845481, now seen corresponding path program 1 times [2024-11-13 16:19:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:15,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215952537] [2024-11-13 16:19:15,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:15,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:19:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:19:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:19:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:19:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:19:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:19:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:19:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:19:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:19:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:19:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:19:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:19:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:19:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:19:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:19:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:19:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:19:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:19:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 16:19:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:19:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 16:19:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:19:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 16:19:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:19:16,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:19:16,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215952537] [2024-11-13 16:19:16,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215952537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:16,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:19:16,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:19:16,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274551507] [2024-11-13 16:19:16,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:16,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:19:16,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:19:16,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:19:16,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:19:16,140 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:16,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:16,175 INFO L93 Difference]: Finished difference Result 113 states and 199 transitions. [2024-11-13 16:19:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:19:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-13 16:19:16,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:16,186 INFO L225 Difference]: With dead ends: 113 [2024-11-13 16:19:16,186 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 16:19:16,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:19:16,192 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:16,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:19:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 16:19:16,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-13 16:19:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:19:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-13 16:19:16,238 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 140 [2024-11-13 16:19:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:16,240 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-13 16:19:16,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-13 16:19:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:19:16,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:16,245 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:16,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:19:16,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:16,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash 48692523, now seen corresponding path program 1 times [2024-11-13 16:19:16,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:16,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703427471] [2024-11-13 16:19:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:19:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:19:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:19:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:19:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:19:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:19:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:19:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:19:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:19:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:19:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:19:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:19:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:19:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:19:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:19:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:19:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:19:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:19:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 16:19:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:19:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 16:19:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:19:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 16:19:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:19:25,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:19:25,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703427471] [2024-11-13 16:19:25,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703427471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:25,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:19:25,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:19:25,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660573552] [2024-11-13 16:19:25,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:25,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:19:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:19:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:19:25,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:19:25,997 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:27,376 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2024-11-13 16:19:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:19:27,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-13 16:19:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:27,379 INFO L225 Difference]: With dead ends: 111 [2024-11-13 16:19:27,380 INFO L226 Difference]: Without dead ends: 109 [2024-11-13 16:19:27,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:19:27,384 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 70 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:27,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 465 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:19:27,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-13 16:19:27,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 79. [2024-11-13 16:19:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 52 states have internal predecessors, (63), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-13 16:19:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2024-11-13 16:19:27,419 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 113 transitions. Word has length 140 [2024-11-13 16:19:27,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:27,420 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 113 transitions. [2024-11-13 16:19:27,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2024-11-13 16:19:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:19:27,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:27,423 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:27,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:19:27,423 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:27,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash 728750893, now seen corresponding path program 1 times [2024-11-13 16:19:27,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:19:27,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615116032] [2024-11-13 16:19:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:19:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:19:27,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160402092] [2024-11-13 16:19:27,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:27,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:27,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:27,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:19:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:27,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:27,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:19:27,853 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:19:27,854 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:19:27,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:19:28,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:28,061 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 16:19:28,200 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:19:28,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:19:28 BoogieIcfgContainer [2024-11-13 16:19:28,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:19:28,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:19:28,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:19:28,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:19:28,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:15" (3/4) ... [2024-11-13 16:19:28,215 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:19:28,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:19:28,217 INFO L158 Benchmark]: Toolchain (without parser) took 13954.75ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 118.9MB in the beginning and 330.3MB in the end (delta: -211.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-13 16:19:28,217 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:28,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.99ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:19:28,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:19:28,218 INFO L158 Benchmark]: Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 99.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:28,218 INFO L158 Benchmark]: RCFGBuilder took 521.18ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 81.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:19:28,219 INFO L158 Benchmark]: TraceAbstraction took 12988.43ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 80.7MB in the beginning and 330.3MB in the end (delta: -249.6MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. [2024-11-13 16:19:28,219 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 369.1MB. Free memory was 330.3MB in the beginning and 330.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:19:28,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.99ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 105.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.62ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 99.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.18ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 81.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12988.43ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 80.7MB in the beginning and 330.3MB in the end (delta: -249.6MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 369.1MB. Free memory was 330.3MB in the beginning and 330.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 to_int at line 43, overapproximation of to_int at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] signed long int var_1_8 = 63; [L28] signed long int var_1_9 = 49; [L29] signed long int var_1_10 = 31; [L30] signed long int var_1_11 = 255; [L31] signed long int var_1_12 = 0; [L32] signed short int var_1_13 = -8; [L33] signed long int var_1_15 = 1000000000; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=28896, var_1_7=5, var_1_8=63, var_1_9=49] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=5, var_1_8=63, var_1_9=49] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_8=63, var_1_9=49] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_8=63, var_1_9=49] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=49] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=49] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=49] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=31, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=255, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L87] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L88] var_1_12 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L89] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L90] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=1000000000, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L95] var_1_17 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L96] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L97] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L98] var_1_18 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L99] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L100] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=63, var_1_9=0] [L113] RET updateVariables() [L114] CALL step() [L40] COND FALSE !(var_1_7 > var_1_5) [L43] var_1_8 = (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=-49153, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=-8, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_9=0] [L62] COND FALSE !(var_1_8 != var_1_8) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_9=0] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((signed long int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((signed long int) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=0, var_1_9=0] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_15=2, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=65664, var_1_6=-49153, var_1_7=-65408, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 548 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 168 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:19:28,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:19:31,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:19:31,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:19:31,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:19:31,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:19:31,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:19:31,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:19:31,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:19:31,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:19:31,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:19:31,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:19:31,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:19:31,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:19:31,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:19:31,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:19:31,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:19:31,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:19:31,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:19:31,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:19:31,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:19:31,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:19:31,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:19:31,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:19:31,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:19:31,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:19:31,338 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 2f4df22d87e0e8ce7674fab52fd296a9e3ffce9a03a9a1e4bf59c1ee4f7637ff [2024-11-13 16:19:31,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:19:31,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:19:31,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:19:31,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:19:31,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:19:31,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i Unable to find full path for "g++" [2024-11-13 16:19:33,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:19:34,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:19:34,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 16:19:34,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/e0fd44a27/e212ff2273464301ab64a53c1c343edc/FLAG0f877a389 [2024-11-13 16:19:34,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/data/e0fd44a27/e212ff2273464301ab64a53c1c343edc [2024-11-13 16:19:34,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:19:34,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:19:34,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:34,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:19:34,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:19:34,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d357e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34, skipping insertion in model container [2024-11-13 16:19:34,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:19:34,385 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 16:19:34,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:34,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:19:34,500 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_b3aa9491-08ce-4ac3-abde-f72ffffa2951/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-77.i[916,929] [2024-11-13 16:19:34,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:19:34,574 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:19:34,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34 WrapperNode [2024-11-13 16:19:34,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:19:34,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:34,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:19:34,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:19:34,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,642 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-13 16:19:34,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:19:34,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:19:34,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:19:34,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:19:34,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,684 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 16:19:34,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:19:34,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:19:34,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:19:34,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:19:34,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (1/1) ... [2024-11-13 16:19:34,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:19:34,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:34,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:19:34,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:19:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:19:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:19:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:19:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:19:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:19:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:19:34,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:19:34,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:19:43,415 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:19:43,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:19:43,426 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:19:43,427 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:19:43,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:43 BoogieIcfgContainer [2024-11-13 16:19:43,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:19:43,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:19:43,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:19:43,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:19:43,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:19:34" (1/3) ... [2024-11-13 16:19:43,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c89b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:19:43, skipping insertion in model container [2024-11-13 16:19:43,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:19:34" (2/3) ... [2024-11-13 16:19:43,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c89b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:19:43, skipping insertion in model container [2024-11-13 16:19:43,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:19:43" (3/3) ... [2024-11-13 16:19:43,444 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-77.i [2024-11-13 16:19:43,461 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:19:43,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-77.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:19:43,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:19:43,563 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c9152a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:19:43,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:19:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:19:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:19:43,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:43,586 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:43,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:43,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:43,594 INFO L85 PathProgramCache]: Analyzing trace with hash 46845481, now seen corresponding path program 1 times [2024-11-13 16:19:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:43,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144213166] [2024-11-13 16:19:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:43,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:43,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 16:19:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:43,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:19:43,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:19:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:19:44,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:19:44,041 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:19:44,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144213166] [2024-11-13 16:19:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144213166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:19:44,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:19:44,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:19:44,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189157726] [2024-11-13 16:19:44,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:19:44,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:19:44,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:19:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:19:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:19:44,078 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:44,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:19:44,112 INFO L93 Difference]: Finished difference Result 113 states and 199 transitions. [2024-11-13 16:19:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:19:44,114 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 140 [2024-11-13 16:19:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:19:44,125 INFO L225 Difference]: With dead ends: 113 [2024-11-13 16:19:44,126 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 16:19:44,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:19:44,138 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:19:44,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:19:44,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 16:19:44,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-13 16:19:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:19:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-11-13 16:19:44,191 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 140 [2024-11-13 16:19:44,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:19:44,193 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-11-13 16:19:44,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:19:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-11-13 16:19:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:19:44,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:19:44,200 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:19:44,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 16:19:44,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:44,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:19:44,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:19:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash 48692523, now seen corresponding path program 1 times [2024-11-13 16:19:44,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:19:44,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997883665] [2024-11-13 16:19:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:44,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:19:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:19:44,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 16:19:44,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 16:19:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:44,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:19:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:19:45,066 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-13 16:19:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174955519] [2024-11-13 16:19:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:19:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:19:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:19:45,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:19:45,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3aa9491-08ce-4ac3-abde-f72ffffa2951/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 16:19:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:19:45,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:19:45,340 INFO L278 TraceCheckSpWp]: Computing forward predicates...