./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.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_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:50:54,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:50:54,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:50:54,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:50:54,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:50:54,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:50:54,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:50:54,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:50:54,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:50:54,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:50:54,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:50:54,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:50:54,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:50:54,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:50:54,396 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:50:54,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:50:54,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:50:54,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:50:54,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:50:54,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:54,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:50:54,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:50:54,400 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 -> 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c [2024-11-13 14:50:54,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:50:54,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:50:54,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:50:54,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:50:54,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:50:54,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i Unable to find full path for "g++" [2024-11-13 14:50:56,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:50:56,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:50:56,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2024-11-13 14:50:56,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/d3e6f72df/7fb059e31fe8474b9ca2ea402a83a9bb/FLAG040744e48 [2024-11-13 14:50:56,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/d3e6f72df/7fb059e31fe8474b9ca2ea402a83a9bb [2024-11-13 14:50:56,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:50:56,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:50:56,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:56,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:50:56,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:50:56,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:56" (1/1) ... [2024-11-13 14:50:56,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259a3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:56, skipping insertion in model container [2024-11-13 14:50:56,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:50:56" (1/1) ... [2024-11-13 14:50:56,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:50:57,115 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2024-11-13 14:50:57,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:57,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:50:57,214 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2024-11-13 14:50:57,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:50:57,276 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:50:57,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57 WrapperNode [2024-11-13 14:50:57,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:50:57,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:57,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:50:57,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:50:57,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,339 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-13 14:50:57,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:50:57,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:50:57,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:50:57,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:50:57,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,381 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 14:50:57,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:50:57,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:50:57,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:50:57,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:50:57,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (1/1) ... [2024-11-13 14:50:57,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:50:57,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:50:57,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:50:57,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:50:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:50:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:50:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:50:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:50:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:50:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:50:57,549 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:50:57,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:50:57,829 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 14:50:57,830 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:50:57,840 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:50:57,840 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:50:57,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:57 BoogieIcfgContainer [2024-11-13 14:50:57,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:50:57,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:50:57,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:50:57,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:50:57,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:50:56" (1/3) ... [2024-11-13 14:50:57,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dabe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:57, skipping insertion in model container [2024-11-13 14:50:57,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:50:57" (2/3) ... [2024-11-13 14:50:57,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65dabe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:50:57, skipping insertion in model container [2024-11-13 14:50:57,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:57" (3/3) ... [2024-11-13 14:50:57,852 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-41.i [2024-11-13 14:50:57,868 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:50:57,869 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-41.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:50:57,926 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:50:57,944 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;@6574d19c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:50:57,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:50:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:50:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:50:57,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:57,960 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:57,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:50:57,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1808347456, now seen corresponding path program 1 times [2024-11-13 14:50:57,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:57,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170484740] [2024-11-13 14:50:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:50:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 14:50:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:50:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 14:50:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 14:50:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:50:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 14:50:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 14:50:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:50:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:50:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:50:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:50:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:50:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:50:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-13 14:50:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:50:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 14:50:58,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:50:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170484740] [2024-11-13 14:50:58,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170484740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:50:58,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:50:58,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:50:58,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134412317] [2024-11-13 14:50:58,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:50:58,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:50:58,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:50:58,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:50:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:50:58,371 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:50:58,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:50:58,393 INFO L93 Difference]: Finished difference Result 91 states and 153 transitions. [2024-11-13 14:50:58,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:50:58,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2024-11-13 14:50:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:50:58,401 INFO L225 Difference]: With dead ends: 91 [2024-11-13 14:50:58,402 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 14:50:58,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 14:50:58,409 INFO L432 NwaCegarLoop]: 65 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, 65 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 14:50:58,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:50:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 14:50:58,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 14:50:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:50:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2024-11-13 14:50:58,460 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 97 [2024-11-13 14:50:58,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:50:58,463 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2024-11-13 14:50:58,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:50:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-13 14:50:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:50:58,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:50:58,468 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:58,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:50:58,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:50:58,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:50:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash 406256130, now seen corresponding path program 1 times [2024-11-13 14:50:58,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:50:58,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769726516] [2024-11-13 14:50:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:50:58,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:50:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:58,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:50:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:50:58,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:50:58,791 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:50:58,793 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:50:58,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:50:58,798 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:50:58,896 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:50:58,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:58 BoogieIcfgContainer [2024-11-13 14:50:58,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:50:58,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:50:58,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:50:58,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:50:58,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:50:57" (3/4) ... [2024-11-13 14:50:58,906 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:50:58,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:50:58,909 INFO L158 Benchmark]: Toolchain (without parser) took 1996.36ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 63.6MB in the end (delta: 29.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-13 14:50:58,910 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:58,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.64ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:58,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:50:58,911 INFO L158 Benchmark]: Boogie Preprocessor took 68.47ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:58,912 INFO L158 Benchmark]: RCFGBuilder took 432.36ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.2MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:50:58,913 INFO L158 Benchmark]: TraceAbstraction took 1059.04ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 63.7MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:58,913 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:50:58,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.64ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.47ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.36ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 61.2MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1059.04ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 63.7MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.6MB 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 96, overapproximation of to_int at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] signed long int var_1_12 = 8; [L29] signed long int var_1_13 = 999999999; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; VAL [isInitial=0, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=999999999, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L83] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L83] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L84] var_1_15 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L85] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L87] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L87] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L88] var_1_17 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L89] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L90] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L90] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L104] RET updateVariables() [L105] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=10, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_0=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((signed long int) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=254, var_1_17=254, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=508] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 65 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 14:50:58,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:51:01,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:51:01,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:51:01,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:51:01,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:51:01,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:51:01,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:51:01,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:51:01,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:51:01,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:51:01,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:51:01,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:51:01,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:51:01,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:51:01,690 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:51:01,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:51:01,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:51:01,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:51:01,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:51:01,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:51:01,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:51:01,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:51:01,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:51:01,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:51:01,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:51:01,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:51:01,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:51:01,696 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 -> 128ea2693ed29583bc06f96512b4a6af736d68bcef5625bfbd6be2a99fed4e8c [2024-11-13 14:51:02,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:51:02,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:51:02,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:51:02,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:51:02,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:51:02,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i Unable to find full path for "g++" [2024-11-13 14:51:03,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:51:04,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:51:04,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i [2024-11-13 14:51:04,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/668a3fd79/f883a3b1b1a04a6bb67627b3fb225d09/FLAGe34264724 [2024-11-13 14:51:04,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/data/668a3fd79/f883a3b1b1a04a6bb67627b3fb225d09 [2024-11-13 14:51:04,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:51:04,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:51:04,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:51:04,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:51:04,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:51:04,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7025c169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04, skipping insertion in model container [2024-11-13 14:51:04,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:51:04,439 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2024-11-13 14:51:04,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:51:04,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:51:04,535 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_8b666efe-4f09-4682-8a46-8ea09e1afa12/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-41.i[916,929] [2024-11-13 14:51:04,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:51:04,601 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:51:04,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04 WrapperNode [2024-11-13 14:51:04,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:51:04,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:51:04,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:51:04,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:51:04,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,657 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-13 14:51:04,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:51:04,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:51:04,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:51:04,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:51:04,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,696 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 14:51:04,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:51:04,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:51:04,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:51:04,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:51:04,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (1/1) ... [2024-11-13 14:51:04,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:51:04,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:04,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:51:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:51:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:51:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:51:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:51:04,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:51:04,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:51:07,287 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 14:51:07,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:51:07,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:51:07,299 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:51:07,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:07 BoogieIcfgContainer [2024-11-13 14:51:07,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:51:07,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:51:07,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:51:07,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:51:07,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:51:04" (1/3) ... [2024-11-13 14:51:07,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da02ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:07, skipping insertion in model container [2024-11-13 14:51:07,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:04" (2/3) ... [2024-11-13 14:51:07,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da02ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:07, skipping insertion in model container [2024-11-13 14:51:07,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:07" (3/3) ... [2024-11-13 14:51:07,310 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-41.i [2024-11-13 14:51:07,326 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:51:07,327 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-41.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:51:07,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:51:07,412 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;@2b4adde7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:51:07,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:51:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:51:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:51:07,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:07,427 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:07,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:51:07,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1808347456, now seen corresponding path program 1 times [2024-11-13 14:51:07,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:51:07,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908259184] [2024-11-13 14:51:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:07,449 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 14:51:07,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:51:07,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:07,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:07,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:51:07,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-13 14:51:07,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:07,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:51:07,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908259184] [2024-11-13 14:51:07,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908259184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:07,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:07,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:07,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091111183] [2024-11-13 14:51:07,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:07,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:51:07,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:51:07,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:51:07,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:51:07,820 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:51:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:07,842 INFO L93 Difference]: Finished difference Result 91 states and 153 transitions. [2024-11-13 14:51:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:51:07,844 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2024-11-13 14:51:07,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:07,850 INFO L225 Difference]: With dead ends: 91 [2024-11-13 14:51:07,850 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 14:51:07,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 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 14:51:07,856 INFO L432 NwaCegarLoop]: 65 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, 65 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 14:51:07,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:51:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 14:51:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 14:51:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:51:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2024-11-13 14:51:07,894 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 97 [2024-11-13 14:51:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:07,895 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2024-11-13 14:51:07,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:51:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-11-13 14:51:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:51:07,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:07,898 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:07,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:08,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:08,100 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:51:08,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:08,101 INFO L85 PathProgramCache]: Analyzing trace with hash 406256130, now seen corresponding path program 1 times [2024-11-13 14:51:08,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:51:08,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895638127] [2024-11-13 14:51:08,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:08,102 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 14:51:08,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:51:08,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:08,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/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 14:51:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:08,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:51:08,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:18,441 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:51:24,458 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:51:45,146 WARN L286 SmtUtils]: Spent 17.38s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 14:51:54,270 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:51:59,721 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:52:05,152 WARN L873 $PredicateComparison]: unable to prove that (or (= (_ bv0 8) c_~var_1_5~0) (exists ((~var_1_13~0 (_ BitVec 32))) (and (not (bvsge ~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_13~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 83.0 10.0)))))) (bvsge ~var_1_13~0 (_ bv0 32))))) is different from true [2024-11-13 14:52:20,171 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:52:24,195 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_13~0 (_ BitVec 32))) (and (not (bvsge ~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_13~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 83.0 10.0)))))) (bvsge ~var_1_13~0 (_ bv0 32)))) is different from false [2024-11-13 14:52:28,209 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_13~0 (_ BitVec 32))) (and (not (bvsge ~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_13~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 83.0 10.0)))))) (bvsge ~var_1_13~0 (_ bv0 32)))) is different from true [2024-11-13 14:52:44,762 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:52:54,239 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:00,652 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:14,891 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:29,323 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:38,381 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:43,611 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 222 proven. 18 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:53:43,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:53:53,977 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:53:59,612 WARN L873 $PredicateComparison]: unable to prove that (bvsge c_~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))))) is different from true [2024-11-13 14:54:05,183 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:20,156 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:26,245 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:31,422 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:39,381 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:45,014 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:50,255 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:57,152 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:03,066 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:07,082 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_13~0 (_ BitVec 32))) (or (bvsge ~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))))) (not (bvsge ~var_1_13~0 (_ bv0 32))))) is different from false [2024-11-13 14:55:11,097 WARN L873 $PredicateComparison]: unable to prove that (forall ((~var_1_13~0 (_ BitVec 32))) (or (bvsge ~var_1_13~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode ~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))))) (not (bvsge ~var_1_13~0 (_ bv0 32))))) is different from true [2024-11-13 14:55:11,098 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:55:11,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895638127] [2024-11-13 14:55:11,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895638127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:55:11,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64188368] [2024-11-13 14:55:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:55:11,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:55:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:55:11,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:55:11,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b666efe-4f09-4682-8a46-8ea09e1afa12/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:55:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:55:11,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 14:55:11,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:55:29,615 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:39,059 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:37,478 WARN L286 SmtUtils]: Spent 12.74s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 14:56:51,966 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:58,952 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:07,014 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:14,907 WARN L286 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:18,927 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_16~0 c_~var_1_17~0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))) c_~var_1_12~0) (not (= (_ bv0 8) c_~var_1_5~0)) (bvsle ((_ zero_extend 24) c_~var_1_5~0) (_ bv1 32)) (not (bvsge c_~var_1_13~0 c_~var_1_12~0)) (= c_~var_1_14~0 ((_ sign_extend 24) c_~var_1_15~0))) is different from false [2024-11-13 14:57:28,834 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:33,962 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:44,628 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:52,689 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:00,012 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_16~0 c_~var_1_17~0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))) c_~var_1_12~0) (= ((_ extract 15 0) (bvmul (_ bv2 32) ((_ zero_extend 24) c_~var_1_16~0))) c_~var_1_8~0) (not (= (_ bv0 8) c_~var_1_5~0)) (bvsle ((_ zero_extend 24) c_~var_1_5~0) (_ bv1 32)) (not (bvsge c_~var_1_13~0 c_~var_1_12~0)) (= c_~var_1_14~0 ((_ sign_extend 24) c_~var_1_15~0))) is different from false [2024-11-13 14:58:09,564 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:22,104 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:30,159 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:35,584 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:43,641 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:50,424 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:05,186 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:17,205 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:23,539 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:31,221 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:39,290 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:59:43,317 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_16~0 c_~var_1_17~0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))) c_~var_1_12~0) (= ((_ extract 15 0) (bvmul (_ bv2 32) ((_ zero_extend 24) c_~var_1_16~0))) c_~var_1_8~0) (not (= (_ bv0 8) c_~var_1_5~0)) (= c_~var_1_6~0 c_~var_1_1~0) (bvsle ((_ zero_extend 24) c_~var_1_5~0) (_ bv1 32)) (not (bvsge c_~var_1_13~0 c_~var_1_12~0)) (= c_~var_1_14~0 ((_ sign_extend 24) c_~var_1_15~0))) is different from false [2024-11-13 15:00:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 92 proven. 51 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-13 15:00:50,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:02:01,742 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:05:26,914 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:05:35,366 WARN L286 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:05:47,051 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:05:57,682 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:06:04,317 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:06:12,392 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)