./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.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_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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_3b44cf65-70ef-4468-96f6-f4a551f549de/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 b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:31:35,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:31:35,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:31:35,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:31:35,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:31:35,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:31:35,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:31:35,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:31:35,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:31:35,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:31:35,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:31:35,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:31:35,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:31:35,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:31:35,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:31:35,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:31:35,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:31:35,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:31:35,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:31:35,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:31:35,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:31:35,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:31:35,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:35,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:31:35,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:31:35,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:31:35,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:31:35,328 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_3b44cf65-70ef-4468-96f6-f4a551f549de/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 -> b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 [2024-11-13 15:31:35,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:31:35,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:31:35,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:31:35,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:31:35,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:31:35,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i Unable to find full path for "g++" [2024-11-13 15:31:37,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:31:37,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:31:37,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-13 15:31:37,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/b23e9a576/52ad6b81c3aa4370b128b61ee4edb878/FLAG7a95e6eee [2024-11-13 15:31:38,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/b23e9a576/52ad6b81c3aa4370b128b61ee4edb878 [2024-11-13 15:31:38,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:31:38,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:31:38,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:38,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:31:38,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:31:38,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24844e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38, skipping insertion in model container [2024-11-13 15:31:38,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:31:38,303 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_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-13 15:31:38,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:38,353 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:31:38,364 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_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-13 15:31:38,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:38,401 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:31:38,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38 WrapperNode [2024-11-13 15:31:38,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:38,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:38,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:31:38,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:31:38,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,436 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-13 15:31:38,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:38,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:31:38,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:31:38,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:31:38,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,461 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 15:31:38,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:31:38,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:31:38,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:31:38,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:31:38,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (1/1) ... [2024-11-13 15:31:38,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:38,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:38,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:31:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:31:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:31:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:31:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:31:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:31:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:31:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:31:38,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:31:38,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:31:39,016 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:31:39,016 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:31:39,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:31:39,035 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:31:39,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:39 BoogieIcfgContainer [2024-11-13 15:31:39,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:31:39,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:31:39,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:31:39,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:31:39,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:31:38" (1/3) ... [2024-11-13 15:31:39,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aab5ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:39, skipping insertion in model container [2024-11-13 15:31:39,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:38" (2/3) ... [2024-11-13 15:31:39,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aab5ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:39, skipping insertion in model container [2024-11-13 15:31:39,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:39" (3/3) ... [2024-11-13 15:31:39,049 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-13 15:31:39,066 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:31:39,068 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-78.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:31:39,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:31:39,162 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;@30c5c1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:31:39,164 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:31:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:31:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:31:39,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:39,182 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:39,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:39,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1329578773, now seen corresponding path program 1 times [2024-11-13 15:31:39,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:39,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048274393] [2024-11-13 15:31:39,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:31:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:31:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:31:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:31:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:31:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:31:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:31:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:31:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:31:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 15:31:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:31:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:31:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:31:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:31:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:31:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:31:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 15:31:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:31:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:31:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:31:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-13 15:31:39,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:31:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048274393] [2024-11-13 15:31:39,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048274393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:39,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:39,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777810838] [2024-11-13 15:31:39,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:39,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:31:39,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:31:39,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:31:39,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:31:39,678 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:31:39,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:39,702 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-11-13 15:31:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:31:39,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:31:39,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:39,711 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:31:39,711 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 15:31:39,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:31:39,718 INFO L432 NwaCegarLoop]: 75 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, 75 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 15:31:39,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:31:39,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 15:31:39,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 15:31:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:31:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-13 15:31:39,769 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-11-13 15:31:39,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:39,770 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-13 15:31:39,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:31:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-13 15:31:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:31:39,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:39,774 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:39,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:31:39,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:39,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash 443273197, now seen corresponding path program 1 times [2024-11-13 15:31:39,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:31:39,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115486922] [2024-11-13 15:31:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:31:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:31:39,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:31:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:31:40,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:31:40,210 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:31:40,211 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:31:40,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:31:40,218 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:31:40,315 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:31:40,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:31:40 BoogieIcfgContainer [2024-11-13 15:31:40,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:31:40,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:31:40,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:31:40,320 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:31:40,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:39" (3/4) ... [2024-11-13 15:31:40,323 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:31:40,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:31:40,324 INFO L158 Benchmark]: Toolchain (without parser) took 2206.07ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 91.2MB in the end (delta: 28.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-13 15:31:40,325 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:31:40,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.09ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:31:40,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.38ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:31:40,326 INFO L158 Benchmark]: Boogie Preprocessor took 47.53ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:31:40,326 INFO L158 Benchmark]: RCFGBuilder took 549.08ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 87.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:31:40,326 INFO L158 Benchmark]: TraceAbstraction took 1279.52ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 92.0MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:31:40,327 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 91.2MB in the end (delta: 800.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:31:40,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.09ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.38ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.53ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 549.08ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 87.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1279.52ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 92.0MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 91.2MB in the end (delta: 800.5kB). 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 99, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someUnaryDOUBLEoperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_6 = 128; [L26] signed long int var_1_7 = 10; [L27] signed short int var_1_8 = 0; [L28] signed short int var_1_9 = 25; [L29] signed short int var_1_10 = 32; [L30] signed short int var_1_11 = 1000; [L31] signed short int var_1_12 = 25; [L32] signed short int var_1_13 = 128; [L33] unsigned long int var_1_14 = 5; [L34] float var_1_15 = 8.25; [L35] float var_1_16 = 63.5; [L36] float var_1_17 = -0.6; [L37] signed long int last_1_var_1_1 = -200; VAL [isInitial=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L66] var_1_3 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L67] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L70] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L78] var_1_10 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L79] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L80] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L81] var_1_11 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_11 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L82] RET assume_abort_if_not(var_1_11 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] CALL assume_abort_if_not(var_1_11 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L83] RET assume_abort_if_not(var_1_11 <= 8192) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L84] var_1_12 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_12 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L85] RET assume_abort_if_not(var_1_12 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] CALL assume_abort_if_not(var_1_12 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L86] RET assume_abort_if_not(var_1_12 <= 8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L87] var_1_13 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L89] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L90] var_1_16 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L91] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L92] var_1_17 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L93] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L107] RET updateVariables() [L108] CALL step() [L41] COND TRUE \read(var_1_3) [L42] var_1_14 = (2931747731u - var_1_10) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L44] unsigned char stepLocal_1 = var_1_3; [L45] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, stepLocal_1=-255, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L46] COND FALSE !(var_1_2 && stepLocal_1) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16382] [L53] COND FALSE !(var_1_14 > var_1_14) [L56] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L58] COND TRUE var_1_11 >= var_1_1 [L59] var_1_15 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_14 > last_1_var_1_1)) ? (var_1_1 == ((signed long int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed long int) var_1_6))) : 1) && ((var_1_14 > var_1_14) ? (var_1_8 == ((signed short int) ((var_1_9 - var_1_10) + ((((-4) < ((var_1_11 + var_1_12))) ? (-4) : ((var_1_11 + var_1_12))))))) : (var_1_8 == ((signed short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13))))) && (var_1_3 ? (var_1_14 == ((unsigned long int) (2931747731u - var_1_10))) : 1)) && ((var_1_11 >= var_1_1) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=-200, var_1_12=8191, var_1_13=32766, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-16384, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 20, 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, 75 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, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 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, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 15:31:40,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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_3b44cf65-70ef-4468-96f6-f4a551f549de/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 b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:31:43,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:31:43,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:31:43,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:31:43,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:31:43,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:31:43,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:31:43,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:31:43,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:31:43,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:31:43,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:31:43,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:31:43,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:31:43,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:31:43,169 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:31:43,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:31:43,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:31:43,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:31:43,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:31:43,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:31:43,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:31:43,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:31:43,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:31:43,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:31:43,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:31:43,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:31:43,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:31:43,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:31:43,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:31:43,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:43,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:31:43,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:31:43,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:31:43,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:31:43,175 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_3b44cf65-70ef-4468-96f6-f4a551f549de/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 -> b1fd945e1ce3809aaa8f913c5bb91c12197d059ef9416e557ca516343fb44c25 [2024-11-13 15:31:43,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:31:43,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:31:43,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:31:43,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:31:43,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:31:43,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i Unable to find full path for "g++" [2024-11-13 15:31:45,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:31:45,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:31:45,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-13 15:31:45,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/66b4824bb/e2d62d7a461a42d79558628603de5bfd/FLAGce09dae3f [2024-11-13 15:31:45,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/data/66b4824bb/e2d62d7a461a42d79558628603de5bfd [2024-11-13 15:31:45,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:31:45,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:31:45,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:45,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:31:45,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:31:45,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:45" (1/1) ... [2024-11-13 15:31:45,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232a109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:45, skipping insertion in model container [2024-11-13 15:31:45,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:31:45" (1/1) ... [2024-11-13 15:31:45,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:31:46,043 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_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-13 15:31:46,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:46,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:31:46,157 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_3b44cf65-70ef-4468-96f6-f4a551f549de/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-78.i[915,928] [2024-11-13 15:31:46,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:31:46,229 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:31:46,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46 WrapperNode [2024-11-13 15:31:46,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:31:46,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:46,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:31:46,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:31:46,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,283 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-13 15:31:46,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:31:46,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:31:46,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:31:46,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:31:46,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,309 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 15:31:46,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:31:46,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:31:46,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:31:46,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:31:46,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (1/1) ... [2024-11-13 15:31:46,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:31:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:31:46,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:31:46,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:31:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:31:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:31:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:31:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:31:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:31:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:31:46,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:31:46,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:31:46,861 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:31:46,861 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:31:46,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:31:46,878 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:31:46,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:46 BoogieIcfgContainer [2024-11-13 15:31:46,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:31:46,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:31:46,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:31:46,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:31:46,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:31:45" (1/3) ... [2024-11-13 15:31:46,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2430228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:46, skipping insertion in model container [2024-11-13 15:31:46,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:31:46" (2/3) ... [2024-11-13 15:31:46,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2430228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:31:46, skipping insertion in model container [2024-11-13 15:31:46,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:31:46" (3/3) ... [2024-11-13 15:31:46,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-78.i [2024-11-13 15:31:46,904 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:31:46,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-78.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:31:46,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:31:46,976 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;@90a031d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:31:46,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:31:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:31:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:31:46,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:46,991 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:46,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:46,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1329578773, now seen corresponding path program 1 times [2024-11-13 15:31:47,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:31:47,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232207929] [2024-11-13 15:31:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:47,009 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 15:31:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:31:47,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:47,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:31:47,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-13 15:31:47,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:31:47,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:31:47,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232207929] [2024-11-13 15:31:47,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232207929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:31:47,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:31:47,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:31:47,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146174894] [2024-11-13 15:31:47,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:31:47,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:31:47,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:31:47,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:31:47,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:31:47,316 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:31:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:47,364 INFO L93 Difference]: Finished difference Result 105 states and 180 transitions. [2024-11-13 15:31:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:31:47,366 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-13 15:31:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:47,375 INFO L225 Difference]: With dead ends: 105 [2024-11-13 15:31:47,375 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 15:31:47,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:31:47,384 INFO L432 NwaCegarLoop]: 75 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, 75 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 15:31:47,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:31:47,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 15:31:47,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 15:31:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 15:31:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-13 15:31:47,442 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 125 [2024-11-13 15:31:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:47,442 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-13 15:31:47,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-13 15:31:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-13 15:31:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 15:31:47,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:47,452 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:47,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:47,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:47,659 INFO L85 PathProgramCache]: Analyzing trace with hash 443273197, now seen corresponding path program 1 times [2024-11-13 15:31:47,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:31:47,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822912528] [2024-11-13 15:31:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:47,660 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 15:31:47,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:31:47,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b44cf65-70ef-4468-96f6-f4a551f549de/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 15:31:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:47,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:31:47,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:35:03,358 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 325 proven. 42 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-13 15:35:03,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:44:47,095 WARN L286 SmtUtils]: Spent 35.55s on a formula simplification. DAG size of input: 211 DAG size of output: 205 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:45:20,639 WARN L286 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:46:35,659 WARN L286 SmtUtils]: Spent 44.71s on a formula simplification. DAG size of input: 255 DAG size of output: 239 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)