./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.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_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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_610dd516-0d12-4d38-b3a9-c590e57a923e/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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:24:21,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:24:21,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:24:21,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:24:21,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:24:21,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:24:21,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:24:21,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:24:21,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:24:21,625 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:24:21,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:24:21,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:24:21,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:24:21,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:24:21,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:24:21,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:24:21,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:24:21,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:24:21,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:24:21,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:24:21,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:24:21,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:24:21,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:24:21,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:24:21,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:24:21,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:21,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:24:21,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:24:21,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:24:21,631 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_610dd516-0d12-4d38-b3a9-c590e57a923e/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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-13 16:24:21,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:24:21,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:24:21,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:24:21,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:24:21,989 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:24:21,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i Unable to find full path for "g++" [2024-11-13 16:24:24,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:24:24,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:24:24,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-13 16:24:24,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/831f05f80/14d7a581cd68432185cc3e83f5e1a6ad/FLAG3039dd5ba [2024-11-13 16:24:24,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/831f05f80/14d7a581cd68432185cc3e83f5e1a6ad [2024-11-13 16:24:24,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:24:24,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:24:24,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:24,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:24:24,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:24:24,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d45e676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24, skipping insertion in model container [2024-11-13 16:24:24,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:24:24,621 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_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-13 16:24:24,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:24:24,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:24:24,691 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_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-13 16:24:24,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:24:24,745 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:24:24,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24 WrapperNode [2024-11-13 16:24:24,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:24,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:24:24,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:24:24,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:24:24,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,784 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-13 16:24:24,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:24:24,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:24:24,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:24:24,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:24:24,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,813 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 16:24:24,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:24:24,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:24:24,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:24:24,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:24:24,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (1/1) ... [2024-11-13 16:24:24,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:24:24,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:24:24,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:24:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:24:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:24:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:24:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:24:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:24:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:24:25,015 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:24:25,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:24:25,322 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:24:25,322 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:24:25,335 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:24:25,335 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:24:25,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:24:25 BoogieIcfgContainer [2024-11-13 16:24:25,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:24:25,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:24:25,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:24:25,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:24:25,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:24:24" (1/3) ... [2024-11-13 16:24:25,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313eda11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:24:25, skipping insertion in model container [2024-11-13 16:24:25,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:24" (2/3) ... [2024-11-13 16:24:25,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313eda11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:24:25, skipping insertion in model container [2024-11-13 16:24:25,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:24:25" (3/3) ... [2024-11-13 16:24:25,348 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-13 16:24:25,369 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:24:25,371 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:24:25,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:24:25,458 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;@7220953e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:24:25,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:24:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:24:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 16:24:25,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:25,478 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:24:25,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:24:25,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1549211937, now seen corresponding path program 1 times [2024-11-13 16:24:25,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:24:25,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586575856] [2024-11-13 16:24:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:24:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:24:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:24:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:24:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:24:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:24:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:24:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:24:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:24:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:24:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:24:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:24:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:24:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:24:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:24:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:24:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:24:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:24:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:24:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:24:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:24:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:24:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:24:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:24:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:24:25,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:24:25,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586575856] [2024-11-13 16:24:25,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586575856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:24:25,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:24:25,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:24:25,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246754905] [2024-11-13 16:24:25,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:24:25,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:24:25,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:24:25,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:24:25,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:24:26,001 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:24:26,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:24:26,030 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-11-13 16:24:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:24:26,032 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), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-13 16:24:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:24:26,041 INFO L225 Difference]: With dead ends: 115 [2024-11-13 16:24:26,041 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 16:24:26,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 16:24:26,051 INFO L432 NwaCegarLoop]: 85 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, 85 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 16:24:26,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:24:26,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 16:24:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-13 16:24:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:24:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-13 16:24:26,099 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 135 [2024-11-13 16:24:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:24:26,099 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-13 16:24:26,100 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), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:24:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-13 16:24:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 16:24:26,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:26,105 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:24:26,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:24:26,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:24:26,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:26,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1230495713, now seen corresponding path program 1 times [2024-11-13 16:24:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:24:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367476027] [2024-11-13 16:24:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:24:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:24:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:24:26,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:24:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:24:26,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:24:26,508 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:24:26,509 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:24:26,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:24:26,516 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 16:24:26,644 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:24:26,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:24:26 BoogieIcfgContainer [2024-11-13 16:24:26,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:24:26,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:24:26,648 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:24:26,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:24:26,649 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:24:25" (3/4) ... [2024-11-13 16:24:26,656 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:24:26,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:24:26,658 INFO L158 Benchmark]: Toolchain (without parser) took 2221.17ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 51.3MB in the end (delta: 41.3MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-13 16:24:26,658 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:24:26,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.04ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:24:26,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:24:26,662 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:24:26,662 INFO L158 Benchmark]: RCFGBuilder took 503.26ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 61.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:24:26,663 INFO L158 Benchmark]: TraceAbstraction took 1309.38ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-13 16:24:26,663 INFO L158 Benchmark]: Witness Printer took 8.60ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 51.3MB in the end (delta: 614.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:24:26,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.04ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.26ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 61.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1309.38ms. Allocated memory is still 117.4MB. Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 8.60ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 51.3MB in the end (delta: 614.3kB). 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 106, overapproximation of to_int at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = 31; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] signed long int var_1_10 = 64; [L32] signed long int var_1_11 = 32; [L33] signed long int var_1_12 = 10; [L34] signed long int var_1_13 = 4; [L35] signed long int var_1_14 = 999; [L36] signed long int var_1_15 = 2; [L37] signed long int var_1_16 = 8; [L38] signed long int last_1_var_1_16 = 8; VAL [isInitial=0, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L86] var_1_10 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L89] var_1_11 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L92] var_1_12 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L95] var_1_13 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L96] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L99] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=-255, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((signed long int) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((signed long int) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((signed long int) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((signed long int) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 85 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 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 16:24:26,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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_610dd516-0d12-4d38-b3a9-c590e57a923e/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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:24:29,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:24:29,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:24:29,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:24:29,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:24:29,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:24:29,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:24:29,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:24:29,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:24:29,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:24:29,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:24:29,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:24:29,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:24:29,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:24:29,774 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:24:29,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:24:29,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:24:29,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:24:29,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:24:29,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:24:29,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:24:29,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:24:29,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:24:29,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:24:29,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:29,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:24:29,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:24:29,778 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_610dd516-0d12-4d38-b3a9-c590e57a923e/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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-13 16:24:30,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:24:30,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:24:30,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:24:30,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:24:30,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:24:30,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i Unable to find full path for "g++" [2024-11-13 16:24:32,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:24:32,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:24:32,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-13 16:24:32,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/a5eb9dc04/885532b02be74426a4d884d067bd7b38/FLAG90d8363a7 [2024-11-13 16:24:32,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/data/a5eb9dc04/885532b02be74426a4d884d067bd7b38 [2024-11-13 16:24:32,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:24:32,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:24:32,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:32,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:24:32,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:24:32,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e52d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32, skipping insertion in model container [2024-11-13 16:24:32,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:24:32,699 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_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-13 16:24:32,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:24:32,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:24:32,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-13 16:24:32,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:24:32,855 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:24:32,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32 WrapperNode [2024-11-13 16:24:32,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:24:32,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:24:32,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:24:32,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:24:32,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,896 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-13 16:24:32,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:24:32,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:24:32,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:24:32,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:24:32,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,909 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,921 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 16:24:32,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:24:32,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:24:32,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:24:32,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:24:32,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (1/1) ... [2024-11-13 16:24:32,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:24:32,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:24:32,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:24:32,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:24:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:24:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:24:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:24:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:24:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:24:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:24:33,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:24:33,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:24:33,462 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:24:33,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:24:33,481 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:24:33,481 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:24:33,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:24:33 BoogieIcfgContainer [2024-11-13 16:24:33,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:24:33,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:24:33,486 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:24:33,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:24:33,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:24:32" (1/3) ... [2024-11-13 16:24:33,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e14a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:24:33, skipping insertion in model container [2024-11-13 16:24:33,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:24:32" (2/3) ... [2024-11-13 16:24:33,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e14a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:24:33, skipping insertion in model container [2024-11-13 16:24:33,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:24:33" (3/3) ... [2024-11-13 16:24:33,496 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-13 16:24:33,515 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:24:33,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:24:33,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:24:33,615 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;@73e2c864, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:24:33,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:24:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:24:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 16:24:33,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:33,656 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:24:33,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:24:33,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1549211937, now seen corresponding path program 1 times [2024-11-13 16:24:33,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:24:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274009836] [2024-11-13 16:24:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:24:33,678 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 16:24:33,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:24:33,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:33,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:33,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:24:33,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:24:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-13 16:24:34,004 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:24:34,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:24:34,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274009836] [2024-11-13 16:24:34,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274009836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:24:34,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:24:34,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:24:34,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419932818] [2024-11-13 16:24:34,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:24:34,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:24:34,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:24:34,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:24:34,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:24:34,042 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:24:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:24:34,083 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-11-13 16:24:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:24:34,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-13 16:24:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:24:34,095 INFO L225 Difference]: With dead ends: 115 [2024-11-13 16:24:34,095 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 16:24:34,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 16:24:34,104 INFO L432 NwaCegarLoop]: 85 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, 85 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 16:24:34,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:24:34,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 16:24:34,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-13 16:24:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:24:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-13 16:24:34,171 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 135 [2024-11-13 16:24:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:24:34,171 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-13 16:24:34,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:24:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-13 16:24:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 16:24:34,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:34,176 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:24:34,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:34,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:34,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:24:34,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:34,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1230495713, now seen corresponding path program 1 times [2024-11-13 16:24:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:24:34,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455402968] [2024-11-13 16:24:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:24:34,388 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 16:24:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:24:34,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:34,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:24:34,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:24:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:24:54,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:24:54,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:24:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455402968] [2024-11-13 16:24:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455402968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:24:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:24:54,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:24:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573428004] [2024-11-13 16:24:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:24:54,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:24:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:24:54,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:24:54,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:24:54,519 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:24:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:24:55,653 INFO L93 Difference]: Finished difference Result 92 states and 127 transitions. [2024-11-13 16:24:55,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:24:55,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-13 16:24:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:24:55,657 INFO L225 Difference]: With dead ends: 92 [2024-11-13 16:24:55,657 INFO L226 Difference]: Without dead ends: 90 [2024-11-13 16:24:55,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:24:55,659 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 75 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:24:55,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 397 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:24:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-13 16:24:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 64. [2024-11-13 16:24:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:24:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-13 16:24:55,672 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-13 16:24:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:24:55,677 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-13 16:24:55,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:24:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-13 16:24:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 16:24:55,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:24:55,685 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:24:55,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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)] Ended with exit code 0 [2024-11-13 16:24:55,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:55,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:24:55,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:24:55,887 INFO L85 PathProgramCache]: Analyzing trace with hash 544511649, now seen corresponding path program 1 times [2024-11-13 16:24:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:24:55,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531118460] [2024-11-13 16:24:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:24:55,888 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 16:24:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:24:55,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:24:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (4)] Waiting until timeout for monitored process [2024-11-13 16:24:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:24:56,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:24:56,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:25:26,725 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-13 16:25:26,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:35:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:35:01,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:35:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531118460] [2024-11-13 16:35:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531118460] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:35:01,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:35:01,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-13 16:35:01,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977966381] [2024-11-13 16:35:01,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:35:01,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:35:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:35:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:35:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-13 16:35:01,774 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:02,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:35:02,562 INFO L93 Difference]: Finished difference Result 94 states and 127 transitions. [2024-11-13 16:35:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 16:35:02,564 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-13 16:35:02,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:35:02,566 INFO L225 Difference]: With dead ends: 94 [2024-11-13 16:35:02,566 INFO L226 Difference]: Without dead ends: 92 [2024-11-13 16:35:02,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-11-13 16:35:02,568 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 47 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:35:02,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 399 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:35:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-13 16:35:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 64. [2024-11-13 16:35:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:35:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-13 16:35:02,580 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-13 16:35:02,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:35:02,581 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-13 16:35:02,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-13 16:35:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 16:35:02,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:35:02,584 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:35:02,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (4)] Ended with exit code 0 [2024-11-13 16:35:02,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:02,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:35:02,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash 103850415, now seen corresponding path program 1 times [2024-11-13 16:35:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:35:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242969919] [2024-11-13 16:35:02,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:35:02,790 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 16:35:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:35:02,795 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:02,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (5)] Waiting until timeout for monitored process [2024-11-13 16:35:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:02,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:35:02,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-13 16:35:03,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 16:35:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:35:03,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:35:03,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242969919] [2024-11-13 16:35:03,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242969919] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 16:35:03,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 16:35:03,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 16:35:03,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905054206] [2024-11-13 16:35:03,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:35:03,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:35:03,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:35:03,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:35:03,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:35:03,176 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:03,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:35:03,298 INFO L93 Difference]: Finished difference Result 158 states and 229 transitions. [2024-11-13 16:35:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:35:03,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-13 16:35:03,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:35:03,305 INFO L225 Difference]: With dead ends: 158 [2024-11-13 16:35:03,305 INFO L226 Difference]: Without dead ends: 97 [2024-11-13 16:35:03,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:35:03,310 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 62 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:35:03,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 153 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:35:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-13 16:35:03,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2024-11-13 16:35:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:35:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-11-13 16:35:03,333 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 136 [2024-11-13 16:35:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:35:03,334 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-11-13 16:35:03,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-13 16:35:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 16:35:03,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:35:03,337 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:35:03,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (5)] Ended with exit code 0 [2024-11-13 16:35:03,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:03,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:35:03,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:03,539 INFO L85 PathProgramCache]: Analyzing trace with hash -705496211, now seen corresponding path program 1 times [2024-11-13 16:35:03,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:35:03,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320781924] [2024-11-13 16:35:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:35:03,539 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 16:35:03,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:35:03,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:03,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (6)] Waiting until timeout for monitored process [2024-11-13 16:35:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:03,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:35:03,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:35:21,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:35:21,480 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:35:21,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320781924] [2024-11-13 16:35:21,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320781924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:35:21,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:35:21,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:35:21,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179536791] [2024-11-13 16:35:21,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:35:21,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:35:21,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:35:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:35:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:35:21,482 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:35:21,921 INFO L93 Difference]: Finished difference Result 124 states and 168 transitions. [2024-11-13 16:35:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:35:21,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-13 16:35:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:35:21,925 INFO L225 Difference]: With dead ends: 124 [2024-11-13 16:35:21,925 INFO L226 Difference]: Without dead ends: 122 [2024-11-13 16:35:21,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:35:21,927 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 46 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:35:21,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 432 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:35:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-13 16:35:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2024-11-13 16:35:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:35:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-13 16:35:21,941 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 136 [2024-11-13 16:35:21,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:35:21,942 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-13 16:35:21,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-13 16:35:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-13 16:35:21,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:35:21,945 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:35:21,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (6)] Ended with exit code 0 [2024-11-13 16:35:22,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:22,146 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:35:22,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:22,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1264218115, now seen corresponding path program 1 times [2024-11-13 16:35:22,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:35:22,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823836149] [2024-11-13 16:35:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:35:22,147 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 16:35:22,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:35:22,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:22,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (7)] Waiting until timeout for monitored process [2024-11-13 16:35:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:22,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:35:22,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:35:40,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:35:40,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:35:40,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823836149] [2024-11-13 16:35:40,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823836149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:35:40,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:35:40,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:35:40,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349699164] [2024-11-13 16:35:40,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:35:40,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:35:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:35:40,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:35:40,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:35:40,144 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:40,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:35:40,843 INFO L93 Difference]: Finished difference Result 222 states and 310 transitions. [2024-11-13 16:35:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:35:40,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-13 16:35:40,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:35:40,847 INFO L225 Difference]: With dead ends: 222 [2024-11-13 16:35:40,847 INFO L226 Difference]: Without dead ends: 128 [2024-11-13 16:35:40,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:35:40,849 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 53 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:35:40,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 366 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:35:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-13 16:35:40,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 94. [2024-11-13 16:35:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:35:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2024-11-13 16:35:40,866 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 136 [2024-11-13 16:35:40,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:35:40,867 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2024-11-13 16:35:40,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2024-11-13 16:35:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 16:35:40,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:35:40,870 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:35:40,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (7)] Ended with exit code 0 [2024-11-13 16:35:41,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:41,071 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:35:41,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:41,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1313935276, now seen corresponding path program 1 times [2024-11-13 16:35:41,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:35:41,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531597399] [2024-11-13 16:35:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:35:41,072 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 16:35:41,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:35:41,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:41,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (8)] Waiting until timeout for monitored process [2024-11-13 16:35:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:41,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:35:41,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:35:58,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:35:58,520 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:35:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531597399] [2024-11-13 16:35:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531597399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:35:58,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:35:58,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:35:58,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648249861] [2024-11-13 16:35:58,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:35:58,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:35:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:35:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:35:58,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:35:58,523 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:59,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:35:59,249 INFO L93 Difference]: Finished difference Result 135 states and 178 transitions. [2024-11-13 16:35:59,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:35:59,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-13 16:35:59,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:35:59,255 INFO L225 Difference]: With dead ends: 135 [2024-11-13 16:35:59,256 INFO L226 Difference]: Without dead ends: 133 [2024-11-13 16:35:59,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:35:59,257 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 70 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:35:59,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 376 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:35:59,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-13 16:35:59,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 98. [2024-11-13 16:35:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:35:59,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-13 16:35:59,274 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-13 16:35:59,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:35:59,275 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-13 16:35:59,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:35:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-13 16:35:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 16:35:59,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:35:59,278 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:35:59,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (8)] Ended with exit code 0 [2024-11-13 16:35:59,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:59,479 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:35:59,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:35:59,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1312088234, now seen corresponding path program 1 times [2024-11-13 16:35:59,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:35:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84665808] [2024-11-13 16:35:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:35:59,480 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 16:35:59,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:35:59,487 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:35:59,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (9)] Waiting until timeout for monitored process [2024-11-13 16:35:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:59,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:35:59,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:36:35,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:36:35,962 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:36:35,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84665808] [2024-11-13 16:36:35,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84665808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:36:35,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:36:35,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:36:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74597838] [2024-11-13 16:36:35,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:36:35,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:36:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:36:35,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:36:35,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:36:35,964 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:36:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:36:37,272 INFO L93 Difference]: Finished difference Result 133 states and 176 transitions. [2024-11-13 16:36:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:36:37,277 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-13 16:36:37,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:36:37,278 INFO L225 Difference]: With dead ends: 133 [2024-11-13 16:36:37,278 INFO L226 Difference]: Without dead ends: 131 [2024-11-13 16:36:37,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:36:37,281 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 55 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:36:37,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 469 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 16:36:37,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-13 16:36:37,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 98. [2024-11-13 16:36:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 16:36:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-13 16:36:37,311 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-13 16:36:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:36:37,314 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-13 16:36:37,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:36:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-13 16:36:37,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 16:36:37,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:36:37,317 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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 16:36:37,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (9)] Ended with exit code 0 [2024-11-13 16:36:37,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:36:37,518 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:36:37,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:37,518 INFO L85 PathProgramCache]: Analyzing trace with hash -633876906, now seen corresponding path program 1 times [2024-11-13 16:36:37,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:36:37,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497592599] [2024-11-13 16:36:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:36:37,519 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 16:36:37,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:36:37,522 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 16:36:37,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610dd516-0d12-4d38-b3a9-c590e57a923e/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 (10)] Waiting until timeout for monitored process [2024-11-13 16:36:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:37,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:36:37,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-13 16:36:48,057 INFO L311 TraceCheckSpWp]: Computing backward predicates...