./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.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_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/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_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/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_5689d118-1eb8-4392-9c11-27821d9fcab8/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 abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:27:07,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:27:07,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:27:07,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:27:07,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:27:07,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:27:07,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:27:07,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:27:07,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:27:07,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:27:07,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:27:07,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:27:07,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:27:07,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:27:07,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:27:07,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:27:07,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:27:07,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:07,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:27:07,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:27:07,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:27:07,269 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_5689d118-1eb8-4392-9c11-27821d9fcab8/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 -> abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b [2024-11-13 15:27:07,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:27:07,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:27:07,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:27:07,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:27:07,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:27:07,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i Unable to find full path for "g++" [2024-11-13 15:27:09,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:27:09,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:27:09,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-13 15:27:09,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/0c45ed808/941d29bc72bd4a7c9d04af3874c41a33/FLAG96fb0ae9c [2024-11-13 15:27:09,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/0c45ed808/941d29bc72bd4a7c9d04af3874c41a33 [2024-11-13 15:27:09,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:27:09,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:27:09,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:09,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:27:09,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:27:09,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:09" (1/1) ... [2024-11-13 15:27:09,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa556d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:09, skipping insertion in model container [2024-11-13 15:27:09,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:09" (1/1) ... [2024-11-13 15:27:09,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:27:10,021 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_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-13 15:27:10,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:10,100 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:27:10,113 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_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-13 15:27:10,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:10,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:27:10,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10 WrapperNode [2024-11-13 15:27:10,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:10,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:10,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:27:10,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:27:10,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,213 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-13 15:27:10,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:10,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:27:10,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:27:10,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:27:10,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,238 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:27:10,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:27:10,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:27:10,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:27:10,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:27:10,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (1/1) ... [2024-11-13 15:27:10,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:10,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:27:10,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:27:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:27:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:27:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:27:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:27:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:27:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:27:10,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:27:10,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:27:10,705 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:27:10,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:27:10,715 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:27:10,715 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:27:10,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:10 BoogieIcfgContainer [2024-11-13 15:27:10,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:27:10,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:27:10,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:27:10,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:27:10,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:27:09" (1/3) ... [2024-11-13 15:27:10,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88c9c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:10, skipping insertion in model container [2024-11-13 15:27:10,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:10" (2/3) ... [2024-11-13 15:27:10,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88c9c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:10, skipping insertion in model container [2024-11-13 15:27:10,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:10" (3/3) ... [2024-11-13 15:27:10,729 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-13 15:27:10,744 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:27:10,746 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:27:10,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:27:10,840 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;@338b5146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:27:10,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:27:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:27:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 15:27:10,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:10,858 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:10,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:10,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:10,864 INFO L85 PathProgramCache]: Analyzing trace with hash 209429895, now seen corresponding path program 1 times [2024-11-13 15:27:10,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:10,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457308308] [2024-11-13 15:27:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:27:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:27:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:27:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:27:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:27:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:27:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 15:27:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:27:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:27:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:27:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:27:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:27:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:27:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:27:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:27:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:27:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:27:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 15:27:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 15:27:11,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:11,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457308308] [2024-11-13 15:27:11,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457308308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:11,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:11,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:11,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948905815] [2024-11-13 15:27:11,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:11,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:27:11,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:11,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:27:11,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:27:11,295 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 15:27:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:11,324 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-13 15:27:11,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:27:11,326 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-13 15:27:11,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:11,332 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:27:11,332 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 15:27:11,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:27:11,338 INFO L432 NwaCegarLoop]: 74 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, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:11,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 15:27:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 15:27:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:27:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-13 15:27:11,380 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-13 15:27:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:11,381 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-13 15:27:11,381 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 15:27:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-13 15:27:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 15:27:11,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:11,386 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:11,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:27:11,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:11,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:11,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2132121363, now seen corresponding path program 1 times [2024-11-13 15:27:11,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:11,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532107040] [2024-11-13 15:27:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:11,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:27:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:27:11,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:27:11,806 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:27:11,808 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:27:11,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:27:11,814 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:27:11,917 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:27:11,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:27:11 BoogieIcfgContainer [2024-11-13 15:27:11,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:27:11,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:27:11,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:27:11,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:27:11,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:10" (3/4) ... [2024-11-13 15:27:11,924 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:27:11,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:27:11,926 INFO L158 Benchmark]: Toolchain (without parser) took 2118.10ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 53.4MB in the end (delta: 38.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-13 15:27:11,926 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:11,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.45ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:27:11,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.89ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:11,928 INFO L158 Benchmark]: Boogie Preprocessor took 37.58ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:11,931 INFO L158 Benchmark]: RCFGBuilder took 463.81ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 61.2MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:27:11,932 INFO L158 Benchmark]: TraceAbstraction took 1202.05ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 53.4MB in the end (delta: 7.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-13 15:27:11,932 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 53.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:27:11,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.45ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.89ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.58ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.81ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 61.2MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1202.05ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 53.4MB in the end (delta: 7.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 53.4MB 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 someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] unsigned long int var_1_2 = 2; [L24] unsigned long int var_1_3 = 5; [L25] float var_1_4 = 255.1; [L26] float var_1_5 = -0.6; [L27] signed short int var_1_6 = -10; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed char var_1_11 = -2; [L31] signed char var_1_12 = 10; [L32] signed char var_1_13 = 5; [L33] float var_1_14 = 499.375; [L34] float var_1_15 = 0.0; [L35] float var_1_16 = 63.2; [L36] float var_1_17 = 0.0; [L37] float var_1_18 = 15.75; [L38] float var_1_19 = 5.75; VAL [isInitial=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L70] var_1_3 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L74] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L76] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L84] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L87] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L89] var_1_15 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L90] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L93] var_1_17 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L94] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L95] var_1_18 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L96] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L109] RET updateVariables() [L110] CALL step() [L42] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=4294967263, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_2=4294967263, var_1_6=-10, var_1_7=0, var_1_8=1] [L43] COND TRUE stepLocal_0 >= (~ var_1_3) [L44] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L46] var_1_11 = (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13))))) [L47] signed char stepLocal_1 = var_1_12; VAL [isInitial=1, stepLocal_1=32, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L48] COND FALSE !(stepLocal_1 != var_1_3) [L53] var_1_14 = var_1_18 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L55] var_1_19 = var_1_5 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=-10, var_1_7=0, var_1_8=1] [L56] COND FALSE !(\read(var_1_7)) [L63] var_1_6 = var_1_11 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return (((((var_1_2 >= (~ var_1_3)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_7 ? (var_1_8 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_11 == ((signed char) (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))))))) && ((var_1_12 != var_1_3) ? (var_1_7 ? (var_1_14 == ((float) ((var_1_15 - var_1_16) - (var_1_17 - var_1_18)))) : 1) : (var_1_14 == ((float) var_1_18)))) && (var_1_19 == ((float) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 18, 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, 74 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, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:27:11,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/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_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/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_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/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_5689d118-1eb8-4392-9c11-27821d9fcab8/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 abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:27:14,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:27:14,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:27:14,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:27:14,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:27:14,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:27:14,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:27:14,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:27:14,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:27:14,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:27:14,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:27:14,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:27:14,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:27:14,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:27:14,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:27:14,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:27:14,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:27:14,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:27:14,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:27:14,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:27:14,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:27:14,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:27:14,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:27:14,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:14,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:27:14,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:27:14,655 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_5689d118-1eb8-4392-9c11-27821d9fcab8/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 -> abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b [2024-11-13 15:27:15,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:27:15,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:27:15,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:27:15,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:27:15,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:27:15,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i Unable to find full path for "g++" [2024-11-13 15:27:16,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:27:17,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:27:17,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-13 15:27:17,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/b0f0b8a7c/3aa2ec9ac8e5452abbfd6b13281d27ae/FLAG4e551e099 [2024-11-13 15:27:17,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/data/b0f0b8a7c/3aa2ec9ac8e5452abbfd6b13281d27ae [2024-11-13 15:27:17,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:27:17,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:27:17,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:17,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:27:17,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:27:17,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb7e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17, skipping insertion in model container [2024-11-13 15:27:17,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:27:17,405 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_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-13 15:27:17,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:17,494 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:27:17,509 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_5689d118-1eb8-4392-9c11-27821d9fcab8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-13 15:27:17,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:17,571 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:27:17,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17 WrapperNode [2024-11-13 15:27:17,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:17,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:17,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:27:17,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:27:17,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,626 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-13 15:27:17,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:17,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:27:17,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:27:17,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:27:17,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,664 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:27:17,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:27:17,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:27:17,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:27:17,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:27:17,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (1/1) ... [2024-11-13 15:27:17,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:17,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:17,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:27:17,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:27:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:27:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:27:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:27:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:27:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:27:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:27:17,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:27:17,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:27:19,448 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:27:19,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:27:19,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:27:19,465 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:27:19,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:19 BoogieIcfgContainer [2024-11-13 15:27:19,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:27:19,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:27:19,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:27:19,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:27:19,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:27:17" (1/3) ... [2024-11-13 15:27:19,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f70191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:19, skipping insertion in model container [2024-11-13 15:27:19,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:17" (2/3) ... [2024-11-13 15:27:19,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f70191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:19, skipping insertion in model container [2024-11-13 15:27:19,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:19" (3/3) ... [2024-11-13 15:27:19,478 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-13 15:27:19,495 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:27:19,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:27:19,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:27:19,566 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;@342d2c45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:27:19,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:27:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:27:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 15:27:19,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:19,580 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:19,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:19,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:19,585 INFO L85 PathProgramCache]: Analyzing trace with hash 209429895, now seen corresponding path program 1 times [2024-11-13 15:27:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:27:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101827145] [2024-11-13 15:27:19,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:19,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:19,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:27:19,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:27:19,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:27:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:20,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:27:20,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-13 15:27:20,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:27:20,143 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:27:20,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101827145] [2024-11-13 15:27:20,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101827145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:20,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:20,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:20,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445706756] [2024-11-13 15:27:20,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:20,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:27:20,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:27:20,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:27:20,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:27:20,175 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 15:27:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:20,199 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-13 15:27:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:27:20,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-13 15:27:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:20,210 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:27:20,210 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 15:27:20,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:27:20,236 INFO L432 NwaCegarLoop]: 74 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, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:20,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 15:27:20,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 15:27:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 15:27:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-13 15:27:20,282 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-13 15:27:20,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:20,282 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-13 15:27:20,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 15:27:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-13 15:27:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 15:27:20,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:20,286 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:20,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:27:20,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:20,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:27:20,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:20,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2132121363, now seen corresponding path program 1 times [2024-11-13 15:27:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:27:20,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457562660] [2024-11-13 15:27:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:20,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:27:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:27:20,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:27:20,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 15:27:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:20,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 15:27:20,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 287 proven. 66 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-13 15:31:37,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:33:08,008 WARN L286 SmtUtils]: Spent 5.15s 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 15:34:57,099 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse34 ((_ sign_extend 24) c_~var_1_12~0)) (.cse36 ((_ sign_extend 24) c_~var_1_13~0)) (.cse35 ((_ sign_extend 24) c_~var_1_11~0)) (.cse37 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse20 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse0 (= (_ bv0 8) c_~var_1_7~0)) (.cse1 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse35))) .cse37)) (.cse5 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 .cse36 (_ bv4294967264 32)))) .cse35)) (.cse7 (= .cse34 c_~var_1_3~0)) (.cse4 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse13 (not .cse4)) (.cse23 (not .cse7)) (.cse14 (not .cse5)) (.cse6 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse1)) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse12 (= .cse37 ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse24 (bvslt (_ bv10 32) .cse36)) (.cse18 (not .cse0)) (.cse19 (not .cse20)) (.cse26 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 (_ bv4294967274 32)))) .cse35))) (and (or (let ((.cse25 (and .cse2 .cse8))) (let ((.cse15 (or .cse1 .cse25)) (.cse16 (or .cse25 .cse10)) (.cse17 (and .cse4 .cse5)) (.cse3 (not .cse24))) (and (or (and (or .cse0 (and .cse1 (or .cse2 .cse3) .cse4 .cse5 .cse6 (or (and .cse7 .cse3) .cse8))) (or (and (or (let ((.cse9 (let ((.cse11 (and .cse12 .cse3))) (and (or .cse11 .cse8) (or .cse11 .cse2))))) (and (or .cse1 .cse9) .cse6 (or .cse9 .cse10))) .cse13 .cse14) (or (and .cse15 .cse16 .cse6) .cse17)) .cse18)) .cse19) (or .cse20 (and (or (and (or .cse13 (let ((.cse21 (let ((.cse22 (and .cse12 .cse23 .cse3))) (and (or .cse22 .cse8) (or .cse22 .cse2))))) (and (or .cse1 .cse21) (or .cse21 .cse10))) .cse14) .cse6 (or (and .cse15 .cse16) .cse17)) .cse18) (or .cse0 (and .cse1 .cse4 .cse5 .cse23 .cse6 .cse3 .cse8))))))) (and .cse26 .cse4)) (or .cse13 (and (or .cse20 (and (or (and .cse6 (or (let ((.cse27 (let ((.cse28 (and .cse12 .cse23 .cse24))) (and (or .cse28 .cse2) (or .cse28 .cse8))))) (and (or .cse1 .cse27) (or .cse27 .cse10))) .cse5) (or .cse14 (let ((.cse29 (let ((.cse30 (and .cse12 .cse23))) (and (or .cse30 .cse2) (or .cse30 .cse8))))) (and (or .cse1 .cse29) (or .cse29 .cse10))))) .cse18) (or .cse0 (and (or .cse5 (and .cse1 .cse23 .cse8 .cse24)) .cse6 (or .cse14 (and .cse1 .cse23 .cse8)))))) (or (and (or .cse0 (and (or .cse5 (and (or .cse2 .cse24) .cse1 (or (and .cse7 .cse24) .cse8) .cse6)) (or .cse14 (and .cse1 (or .cse7 .cse8) (or .cse7 (= (_ bv0 32) (bvnot c_~var_1_3~0)) .cse8) .cse6)))) (or (and (or (let ((.cse31 (and (or .cse12 .cse2) (or .cse12 .cse8)))) (and (or .cse1 .cse31) (or .cse31 .cse10) .cse6)) .cse14) (or (let ((.cse32 (let ((.cse33 (and .cse12 .cse24))) (and (or .cse33 .cse2) (or .cse33 .cse8))))) (and (or .cse1 .cse32) .cse6 (or .cse32 .cse10))) .cse5)) .cse18)) .cse19)) (not .cse26)))))) is different from true [2024-11-13 15:36:16,806 WARN L286 SmtUtils]: Spent 5.35s 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 15:36:22,417 WARN L286 SmtUtils]: Spent 5.40s 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 15:36:35,000 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse27 ((_ sign_extend 24) c_~var_1_12~0)) (.cse26 ((_ sign_extend 24) c_~var_1_13~0)) (.cse28 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse28))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse11 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse26 (_ bv4294967264 32)))) .cse28)) (.cse17 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv4294967274 32)))) .cse28)) (.cse14 (not (= .cse27 c_~var_1_3~0))) (.cse0 (not .cse17)) (.cse15 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse11)) (.cse3 (not .cse5)) (.cse7 (bvslt (_ bv10 32) .cse26)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or .cse0 (not .cse1) (and (or (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9) .cse10) (or .cse11 (and .cse9 (or .cse2 (let ((.cse12 (let ((.cse13 (and .cse14 .cse7))) (and (or .cse13 .cse8) (or .cse13 .cse6))))) (and (or .cse3 .cse12) (or .cse12 .cse5)))) (or .cse15 (let ((.cse16 (and (or .cse14 .cse8) (or .cse14 .cse6)))) (and (or .cse16 .cse5) (or .cse3 .cse16)))))))) (or (and .cse1 .cse17) (let ((.cse25 (and .cse6 .cse8))) (let ((.cse20 (not .cse7)) (.cse21 (or .cse3 .cse25)) (.cse22 (or .cse25 .cse5)) (.cse23 (and .cse17 .cse2))) (and (or .cse11 (and (or .cse0 .cse15 (let ((.cse18 (let ((.cse19 (and .cse14 .cse20))) (and (or .cse19 .cse8) (or .cse19 .cse6))))) (and (or .cse3 .cse18) (or .cse5 .cse18)))) .cse9 (or (and .cse21 .cse22) .cse23))) (or (and (or .cse0 .cse15 (let ((.cse24 (and (or .cse6 .cse20) (or .cse20 .cse8)))) (and .cse9 (or .cse24 .cse3) (or .cse24 .cse5)))) (or (and .cse21 .cse22 .cse9) .cse23)) .cse10))))))))) is different from true [2024-11-13 15:37:37,974 WARN L286 SmtUtils]: Spent 5.01s 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 15:38:14,333 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse25 ((_ sign_extend 24) c_~var_1_12~0)) (.cse24 ((_ sign_extend 24) c_~var_1_13~0)) (.cse26 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse4 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse26))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 .cse24 (_ bv4294967264 32)))) .cse26)) (.cse10 (fp.eq c_~var_1_14~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 (_ bv4294967274 32)))) .cse26)) (.cse9 (not .cse10)) (.cse8 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse14 (not .cse1)) (.cse13 (not (= .cse25 c_~var_1_3~0))) (.cse2 (not .cse4)) (.cse6 (bvslt (_ bv10 32) .cse24)) (.cse5 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse7 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or (not .cse0) (and (or (and (or .cse1 (let ((.cse3 (and (or .cse5 .cse6) (or .cse7 .cse6)))) (and (or .cse2 .cse3) (or .cse3 .cse4)))) .cse8) .cse9) (or .cse10 (and .cse8 (or .cse1 (let ((.cse11 (let ((.cse12 (and .cse13 .cse6))) (and (or .cse12 .cse7) (or .cse12 .cse5))))) (and (or .cse2 .cse11) (or .cse11 .cse4)))) (or .cse14 (let ((.cse15 (and (or .cse13 .cse7) (or .cse13 .cse5)))) (and (or .cse15 .cse4) (or .cse2 .cse15)))))))) (let ((.cse16 (fp.eq c_~var_1_5~0 c_~var_1_5~0))) (or (and .cse16 .cse0) (let ((.cse23 (and .cse5 .cse7))) (let ((.cse18 (not .cse6)) (.cse19 (or .cse2 .cse23)) (.cse20 (or .cse23 .cse4))) (and (or (and (or .cse14 (let ((.cse17 (and (or .cse5 .cse18) (or .cse18 .cse7)))) (and .cse8 (or .cse17 .cse2) (or .cse17 .cse4)))) (or (and .cse19 .cse20 .cse8) (and .cse16 .cse1))) .cse9) (or .cse10 (and .cse8 (or .cse14 (let ((.cse21 (let ((.cse22 (and .cse13 .cse18))) (and (or .cse22 .cse7) (or .cse22 .cse5))))) (and (or .cse2 .cse21) (or .cse4 .cse21)))) (or (and .cse19 .cse20) .cse1)))))))))))) is different from true [2024-11-13 15:38:39,009 WARN L286 SmtUtils]: Spent 5.28s 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 15:39:16,492 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ sign_extend 24) c_~var_1_12~0)) (.cse16 ((_ sign_extend 24) c_~var_1_13~0)) (.cse18 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse18))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse16 (_ bv4294967264 32)))) .cse18)) (.cse12 (fp.eq c_~var_1_18~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 (_ bv4294967274 32)))) .cse18)) (.cse10 (not (= .cse17 ((_ sign_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|)))) (.cse1 (not .cse12)) (.cse11 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse3 (not .cse5)) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse7 (bvslt (_ bv10 32) .cse16))) (and (or (not .cse0) (and (or .cse1 (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9)) (or (and .cse9 (or .cse2 (and .cse10 .cse7)) (or .cse10 .cse11)) .cse12))) (or .cse0 (let ((.cse13 (not .cse7))) (and (or (and .cse10 .cse2 .cse9 .cse13) .cse12) (or .cse1 (and (or .cse11 (let ((.cse14 (and (or .cse8 .cse13) (or .cse6 .cse13)))) (and (or .cse3 .cse14) .cse9 (or .cse14 .cse5)))) (or (let ((.cse15 (and .cse8 .cse6))) (and (or .cse5 .cse15) .cse9 (or .cse3 .cse15))) .cse2)))))))))) is different from true [2024-11-13 15:39:25,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:39:25,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457562660] [2024-11-13 15:39:25,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457562660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:39:25,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520987292] [2024-11-13 15:39:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:39:25,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:39:25,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:39:25,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:39:25,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5689d118-1eb8-4392-9c11-27821d9fcab8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:39:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:39:25,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 15:39:25,686 INFO L278 TraceCheckSpWp]: Computing forward predicates...