./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:29:28,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:29:28,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:29:28,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:29:28,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:29:28,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:29:28,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:29:28,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:29:28,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:29:28,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:29:28,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:29:28,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:29:28,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:29:28,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:29:28,348 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:29:28,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:29:28,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:29:28,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:29:28,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:28,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:29:28,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:29:28,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:29:28,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:29:28,352 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2024-11-13 15:29:28,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:29:28,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:29:28,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:29:28,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:29:28,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:29:28,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i Unable to find full path for "g++" [2024-11-13 15:29:30,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:29:30,953 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:29:30,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-13 15:29:30,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/7693bf21b/0cb0931d88d84bb2b5f6c4a3ad66eff9/FLAGd89713123 [2024-11-13 15:29:31,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/7693bf21b/0cb0931d88d84bb2b5f6c4a3ad66eff9 [2024-11-13 15:29:31,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:29:31,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:29:31,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:31,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:29:31,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:29:31,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122bb139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31, skipping insertion in model container [2024-11-13 15:29:31,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:29:31,484 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-13 15:29:31,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:31,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:29:31,558 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-13 15:29:31,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:31,602 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:29:31,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31 WrapperNode [2024-11-13 15:29:31,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:31,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:31,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:29:31,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:29:31,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,653 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-13 15:29:31,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:31,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:29:31,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:29:31,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:29:31,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,689 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 15:29:31,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:29:31,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:29:31,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:29:31,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:29:31,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (1/1) ... [2024-11-13 15:29:31,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:31,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:31,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:29:31,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:29:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:29:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:29:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:29:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:29:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:29:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:29:31,919 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:29:31,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:29:32,248 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:29:32,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:29:32,260 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:29:32,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:29:32,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:32 BoogieIcfgContainer [2024-11-13 15:29:32,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:29:32,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:29:32,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:29:32,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:29:32,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:29:31" (1/3) ... [2024-11-13 15:29:32,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a5275e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:32, skipping insertion in model container [2024-11-13 15:29:32,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:31" (2/3) ... [2024-11-13 15:29:32,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a5275e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:32, skipping insertion in model container [2024-11-13 15:29:32,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:32" (3/3) ... [2024-11-13 15:29:32,272 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-13 15:29:32,290 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:29:32,292 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-25.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:29:32,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:29:32,404 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;@37ae5c96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:29:32,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:29:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:29:32,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:32,429 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:32,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:32,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:32,437 INFO L85 PathProgramCache]: Analyzing trace with hash 117086753, now seen corresponding path program 1 times [2024-11-13 15:29:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:32,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830379122] [2024-11-13 15:29:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:29:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:29:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:29:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:29:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:29:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:29:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:29:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:29:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:29:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 15:29:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:29:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:29:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:29:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:29:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:29:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:29:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:29:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:29:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:29:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:29:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 15:29:32,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:32,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830379122] [2024-11-13 15:29:32,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830379122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:32,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:32,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:32,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875430867] [2024-11-13 15:29:32,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:32,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:29:32,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:32,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:29:32,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:29:32,958 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:33,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:33,000 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2024-11-13 15:29:33,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:29:33,002 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:29:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:33,010 INFO L225 Difference]: With dead ends: 109 [2024-11-13 15:29:33,010 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 15:29:33,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 15:29:33,017 INFO L432 NwaCegarLoop]: 80 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, 80 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 15:29:33,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:29:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 15:29:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 15:29:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-13 15:29:33,063 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2024-11-13 15:29:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:33,063 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-13 15:29:33,063 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-13 15:29:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:29:33,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:33,067 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:33,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:29:33,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:33,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1408369185, now seen corresponding path program 1 times [2024-11-13 15:29:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588820384] [2024-11-13 15:29:33,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:29:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:29:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:29:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:29:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:29:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:29:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:29:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:29:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:29:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 15:29:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:29:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:29:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:29:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:29:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:29:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:29:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:29:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:29:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:29:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:29:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 15:29:34,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588820384] [2024-11-13 15:29:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588820384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:29:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309842342] [2024-11-13 15:29:34,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:34,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:34,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:34,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:29:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:34,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:29:34,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:29:34,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:34,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309842342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:34,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:29:34,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 10 [2024-11-13 15:29:34,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097103388] [2024-11-13 15:29:34,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:34,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:29:34,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:34,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:29:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:29:34,694 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:35,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:35,198 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2024-11-13 15:29:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:29:35,200 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:29:35,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:35,204 INFO L225 Difference]: With dead ends: 115 [2024-11-13 15:29:35,205 INFO L226 Difference]: Without dead ends: 64 [2024-11-13 15:29:35,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:29:35,208 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 113 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:35,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 119 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:29:35,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-13 15:29:35,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-11-13 15:29:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-11-13 15:29:35,241 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2024-11-13 15:29:35,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:35,242 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-11-13 15:29:35,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-11-13 15:29:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 15:29:35,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:35,246 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:35,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:29:35,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:35,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:35,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:35,452 INFO L85 PathProgramCache]: Analyzing trace with hash 127075065, now seen corresponding path program 1 times [2024-11-13 15:29:35,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:35,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550049188] [2024-11-13 15:29:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:35,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:29:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:35,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:29:35,771 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:29:35,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:29:35,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:29:35,781 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:29:35,874 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:29:35,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:29:35 BoogieIcfgContainer [2024-11-13 15:29:35,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:29:35,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:29:35,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:29:35,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:29:35,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:32" (3/4) ... [2024-11-13 15:29:35,883 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:29:35,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:29:35,885 INFO L158 Benchmark]: Toolchain (without parser) took 4628.86ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 38.0MB in the end (delta: 55.4MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-13 15:29:35,885 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:35,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.12ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 80.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:35,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.01ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:35,886 INFO L158 Benchmark]: Boogie Preprocessor took 51.52ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:35,886 INFO L158 Benchmark]: RCFGBuilder took 554.57ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 60.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:29:35,887 INFO L158 Benchmark]: TraceAbstraction took 3614.94ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 38.0MB in the end (delta: 21.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:35,887 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:35,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.12ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 80.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.01ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.52ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 554.57ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 60.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3614.94ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 38.0MB in the end (delta: 21.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 21.1kB). 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 105, overapproximation of to_int at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 10; [L25] unsigned short int var_1_4 = 500; [L26] unsigned long int var_1_5 = 0; [L27] unsigned long int var_1_6 = 1509114200; [L28] unsigned long int var_1_7 = 10; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 63; [L31] signed long int var_1_10 = 4; [L32] signed long int var_1_11 = 25; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; VAL [isInitial=0, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=0, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] FCALL updateLastVariables() [L113] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_3=10, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L74] var_1_3 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L75] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L76] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_4=500, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L77] var_1_4 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L79] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L80] var_1_5 = __VERIFIER_nondet_ulong() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] CALL assume_abort_if_not(var_1_5 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L82] RET assume_abort_if_not(var_1_5 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=1509114200, var_1_7=10, var_1_8=128, var_1_9=63] [L83] var_1_6 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L84] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=10, var_1_8=128, var_1_9=63] [L86] var_1_7 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L87] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_8=128, var_1_9=63] [L88] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L88] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=63] [L89] var_1_9 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L90] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L91] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L91] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=4, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L92] var_1_10 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L93] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L94] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L94] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L95] var_1_13 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L96] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L97] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L97] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=1, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L98] var_1_14 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L99] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L100] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L100] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=1, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L113] RET updateVariables() [L114] CALL step() [L39] COND FALSE !(var_1_9 != var_1_10) [L46] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L48] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=65535, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L49] COND TRUE \read(var_1_12) VAL [isInitial=1, stepLocal_0=65535, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=256, var_1_2=1, var_1_3=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L50] COND TRUE stepLocal_0 <= var_1_4 [L51] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L56] unsigned long int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_1=-4294901761, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=128, var_1_9=-1] [L57] COND TRUE var_1_7 >= stepLocal_1 [L58] var_1_8 = ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))) VAL [isInitial=1, var_1_10=-1, var_1_11=25, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_9=-1] [L62] COND TRUE var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8))) [L63] var_1_11 = var_1_10 VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_9=-1] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return (((var_1_12 ? ((var_1_3 <= var_1_4) ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) + (var_1_6 - var_1_7)))) : 1) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_7 >= var_1_1) ? (var_1_8 == ((signed long int) ((((0.5f) < (var_1_9)) ? (0.5f) : (var_1_9))))) : (var_1_8 == ((signed long int) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))))) && ((var_1_10 >= ((((((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) < (var_1_8)) ? (((((128.175f) > (var_1_9)) ? (128.175f) : (var_1_9)))) : (var_1_8)))) ? (var_1_11 == ((signed long int) var_1_10)) : ((! (var_1_7 <= var_1_6)) ? (var_1_11 == ((signed long int) var_1_9)) : 1))) && ((var_1_9 != var_1_10) ? ((var_1_2 || var_1_13) ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) : (var_1_12 == ((unsigned char) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, var_1_10=-1, var_1_11=-1, var_1_12=-255, var_1_13=1, var_1_14=-255, var_1_1=-4294901761, var_1_2=1, var_1_3=65535, var_1_4=65535, var_1_5=0, var_1_6=-7516192769, var_1_7=-3221225473, var_1_8=1509114202, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 132 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 1 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2277/2280 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 15:29:35,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:29:38,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:29:38,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:29:38,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:29:38,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:29:38,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:29:38,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:29:38,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:29:38,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:29:38,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:29:38,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:29:38,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:29:38,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:29:38,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:29:38,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:29:38,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:29:38,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:29:38,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:29:38,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:29:38,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:29:38,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:29:38,865 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:29:38,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:29:38,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:29:38,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:29:38,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:29:38,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:29:38,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:29:38,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:29:38,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:38,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:29:38,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:29:38,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:29:38,867 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:29:38,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:29:38,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:29:38,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:29:38,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:29:38,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:29:38,868 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 -> 10a5d9ba28fc165cfaae4fdbd64ca86f9d1271dd94f7e86756ae9bbf811b41f0 [2024-11-13 15:29:39,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:29:39,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:29:39,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:29:39,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:29:39,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:29:39,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i Unable to find full path for "g++" [2024-11-13 15:29:41,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:29:41,512 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:29:41,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-13 15:29:41,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/2a8a0da1c/a8b67e37f37d48ac8e5da6a009b1451c/FLAG2b08d75d4 [2024-11-13 15:29:41,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/data/2a8a0da1c/a8b67e37f37d48ac8e5da6a009b1451c [2024-11-13 15:29:41,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:29:41,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:29:41,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:41,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:29:41,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:29:41,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:41" (1/1) ... [2024-11-13 15:29:41,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e32fffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:41, skipping insertion in model container [2024-11-13 15:29:41,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:41" (1/1) ... [2024-11-13 15:29:41,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:29:42,057 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-13 15:29:42,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:42,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:29:42,167 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_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-25.i[916,929] [2024-11-13 15:29:42,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:42,228 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:29:42,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42 WrapperNode [2024-11-13 15:29:42,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:42,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:42,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:29:42,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:29:42,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,293 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-13 15:29:42,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:42,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:29:42,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:29:42,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:29:42,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,321 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 15:29:42,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:29:42,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:29:42,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:29:42,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:29:42,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (1/1) ... [2024-11-13 15:29:42,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:42,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:29:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:29:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:29:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:29:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:29:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:29:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:29:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:29:42,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:29:42,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:29:45,957 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:29:45,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:29:45,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:29:45,968 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:29:45,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:45 BoogieIcfgContainer [2024-11-13 15:29:45,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:29:45,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:29:45,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:29:45,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:29:45,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:29:41" (1/3) ... [2024-11-13 15:29:45,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d068c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:45, skipping insertion in model container [2024-11-13 15:29:45,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:42" (2/3) ... [2024-11-13 15:29:45,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d068c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:45, skipping insertion in model container [2024-11-13 15:29:45,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:45" (3/3) ... [2024-11-13 15:29:45,982 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-25.i [2024-11-13 15:29:45,999 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:29:46,001 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-25.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:29:46,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:29:46,109 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;@7a1ffc0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:29:46,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:29:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:29:46,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:46,131 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:46,132 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:46,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash 117086753, now seen corresponding path program 1 times [2024-11-13 15:29:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:46,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494593983] [2024-11-13 15:29:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:46,153 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 15:29:46,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:46,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:46,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:46,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:29:46,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-13 15:29:46,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:46,453 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:46,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494593983] [2024-11-13 15:29:46,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494593983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:46,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:46,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:46,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36263878] [2024-11-13 15:29:46,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:46,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:29:46,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:29:46,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:29:46,490 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:46,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:46,518 INFO L93 Difference]: Finished difference Result 109 states and 188 transitions. [2024-11-13 15:29:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:29:46,520 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:29:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:46,530 INFO L225 Difference]: With dead ends: 109 [2024-11-13 15:29:46,531 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 15:29:46,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 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 15:29:46,538 INFO L432 NwaCegarLoop]: 80 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, 80 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 15:29:46,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:29:46,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 15:29:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 15:29:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-11-13 15:29:46,591 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 125 [2024-11-13 15:29:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:46,592 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-11-13 15:29:46,593 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-11-13 15:29:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:29:46,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:46,598 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:46,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:46,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:46,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:46,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1408369185, now seen corresponding path program 1 times [2024-11-13 15:29:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028864075] [2024-11-13 15:29:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:46,801 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 15:29:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:46,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:46,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:47,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:29:47,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-13 15:29:47,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:47,467 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:47,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028864075] [2024-11-13 15:29:47,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028864075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:47,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:47,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:29:47,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689211893] [2024-11-13 15:29:47,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:47,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:29:47,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:47,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:29:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:29:47,474 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:49,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:50,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:50,005 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2024-11-13 15:29:50,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:29:50,018 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:29:50,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:50,020 INFO L225 Difference]: With dead ends: 115 [2024-11-13 15:29:50,020 INFO L226 Difference]: Without dead ends: 64 [2024-11-13 15:29:50,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:29:50,022 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:50,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 152 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 15:29:50,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-13 15:29:50,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-11-13 15:29:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:29:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2024-11-13 15:29:50,039 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 125 [2024-11-13 15:29:50,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:50,040 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2024-11-13 15:29:50,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:29:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2024-11-13 15:29:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 15:29:50,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:50,043 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:50,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:50,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:50,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:50,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:50,244 INFO L85 PathProgramCache]: Analyzing trace with hash 127075065, now seen corresponding path program 1 times [2024-11-13 15:29:50,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:50,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024932919] [2024-11-13 15:29:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:50,245 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 15:29:50,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:50,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:50,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/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 15:29:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:50,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:29:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:50,607 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-13 15:29:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268383168] [2024-11-13 15:29:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:50,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:50,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:50,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e08d0bf-d7e5-4998-bbdd-1cf7b5b5bac2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:29:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:51,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:29:51,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:30:43,482 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)